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- GE Lightspeed VCT 64 (32) Troubleshooting Overview
- GE Lightspeed VCT X-ray Gen Troubleshooting
- Tube Spits (30)
- Anode Rotation Errors (Code 40) GE Lightspeed VCT Troubleshooting
- Filament Heater Errors (Code 50) GE Lightspeed VCT Troubleshooting
- Code 50-0201h, 1201h
- Code 50-0202h, 1202h
- Code 50-0203h, 1203h
- Code 50-0204h, 1204h
- Code 50-0205h, 1205h
- Code 50-0206h, 1206h
- Code 50-0207h, 1207h
- Code 50-0208h, 1208h
- Code 50-0210h, 1210h
- Code 50-0211h, 1211h
- Code 50-0212h, 1212h
- Code 50-0213h, 1213h
- Code 50-0214h, 1214h
- Code 50-0215h, 1215h
- Code 50-0216h, 1216h
- Code 50-0217h, 1217h
- Code 50-0221h, 0222h, 0223h, 0224h, 1221h 1222h 1223h 1224h
- Code 50-0248h, 1248h
- Code 50-0249h, 1249h
- Exposure Errors (Code 60) GE Lightspeed VCT Troubleshooting
- Code 60-0306h
- Code 60-0307h
- Code 60-0308h
- Code 60-0309h
- Code 60-0310h
- Code 60-0311h
- Code 60-0312h
- Code 60-0313h
- Code 60-0314h
- Code 60-0316h
- Code 60-0317h
- Code 60-0318h
- Code 60-0319h
- Code 60-0320h
- Code 60-0321h
- Code 60-0323h
- Code 60-0325h
- Code 60-0326h
- Code 60-0329h
- Code 60-0401h
- Code 60-0402h
- Code 60-0403h
- Code 60-0451h
- Code 60-0504h
- Code 60-0801h
- Code 60-0802h
- Code 60-0803d
- Code 60-1181h
- Code 60-1407h
- Code 60-1408h
- Code 60-1409h
- Code 60-1410h
- Code 60-1411h
- Code 60-1420h
- Code 60-1421h
- Code 60-1454h
- Power Supply Errors (Code 70) GE Lightspeed VCT Troubleshooting
- Hardware Errors (Code 80) GE Lightspeed VCT Troubleshooting
- Code 80-0180h
- Code 80-0181h
- Code 80-0280h
- Code 80-0281h
- Code 80-0322h
- Code 80-03A0h
- Code 80-0601h
- Code 80-0602h
- Code 80-0902h
- Code 80-1000h
- Code 80-1006h
- Code 80-1010h
- Code 80-1180h
- Code 80-1182h
- Code 80-1280h
- Code 80-1281h
- Code 80-1402h
- Code 80-1403h
- Code 80-1404h
- Code 80-1413h
- Code 80-1414h
- Code 80-1415h
- Code 80-1416h
- Code 80-1417h
- Code 80-1418h
- Code 80-1419h
- Code 80-1422h
- Code 80-1422h
- Code 80-1425h
- Application Errors (Code 90) GE Lightspeed VCT Troubleshooting
- Communication Errors (Code 100) GE Lightspeed VCT Troubleshooting
- Thermal Errors (Code 110) GE Lightspeed VCT Troubleshooting
- Manipulation Errors (Code 120) GE Lightspeed VCT Troubleshooting
- Ingrid Errors (Code 130) GE Lightspeed VCT Troubleshooting
- Tube Switch Errors (Code 140) GE Lightspeed VCT Troubleshooting
- Conclusion
GE Lightspeed VCT 64 (32) Troubleshooting Overview
The following CT scanner troubleshooting section describes the error codes generated by CT scanner applications self-tests and diagnostics. Events can be tracked using the system error and message log. See the section below for more information about error reporting format.
Error log format: Simplified error code, generator phase, error class, error code, event timestamp, number of occurrences, current date and time.
| Error Code (General) | Description |
|---|---|
| 30 | Tube spits errors |
| 40 | Rotation errors |
| 50 | Heater errors |
| 60 | Exposure errors (HV inverter + mA measure + exposure control |
| 70 | Power supply errors (low voltage + DC bus) |
| 80 | Hardware errors (internal communications + cables) |
| 90 | Application errors (saved RAM + software) |
| 100 | External communication errors |
| 110 | Thermal errors |
| 120 | Manipulation Errors |
| 130 | Grid Errors / Not used on Jedi60DC. |
| 140 | Tube Switch Errors / Not used on Jedi60DC |
| 10 | Rotation warnings (engineering use) |
| 20 | Heater warnings (engineering use) |
| 25 | LVPS warnings (engineering use) |
| 27 | Application warnings (mainly saved RAM battery change) |
GE Lightspeed VCT X-ray Gen Troubleshooting
GE Lightspeed VCT X-ray generation error code descriptions, background and links to solutions guides.
Tube Spits (30)
Code 30-0305
Description
FPGA problem (Restarting safety)
Background
Error occurring on safety line while No root error present at the error inputs. Find additional details in the Code-0305 Lightspeed VCT Troubleshooting Guide.
Code 30-0324h data=1
Description
Tube spit (kV+ has dropped).
The generator sends only one message of error for all the spits (0324H) at the end of the exposure. During the same exposure we may have different kinds of spits. In the data of this error we can distinguish between the different spits:
1: Spit in anode side 2: Spit in cathode side 4: Spit in both sides 8: kV regulation error. For an exposure with anode and both sides spit, the data will be 5.
In case of KV regulation error , decrease kV-mA target of exposure (for example 60kV-50mA).
Background
kV drop/spit detected on Anode side
Code 30-0324h data=2
Description
Tube spit (kV- has dropped)
The generator sends only one message of error for all the spits (0324H) at the end of the exposure. During the same exposure we may have different kinds of spits. In the data of this error we can distinguish between the different spits:
1: Spit in anode side 2: Spit in cathode side 4: Spit in both sides 8: kV regulation error. For an exposure with anode and both sides spit, the data will be 5.
In case of KV regulation error , decrease kV-mA target of exposure (for example 60kV-50mA).
Background
kV drop/spit detected on cathode side
Code 30-0324h data=4
Description
Tube spit (kV+ and kV- dropped)
The generator sends only one message of error for all the spits (0324H) at the end of the exposure. During the same exposure we may have different kinds of spits. In the data of this error we can distinguish between the different spits:
1: Spit in anode side 2: Spit in cathode side 4: Spit in both sides 8: kV regulation error. For an exposure with anode and both sides spit, the data will be 5.
In case of KV regulation error , decrease kV-mA target of exposure (for example 60kV-50mA).
Background
kV drop/spit detected
Code 30-0324h data=8
Description
kV regulation error.
The generator sends only one message of error for all the spits (0324H) at the end of the exposure. During the same exposure we may have different kinds of spits. In the data of this error we can distinguish between the different spits:
1: Spit in anode side 2: Spit in cathode side 4: Spit in both sides 8: kV regulation error. For an exposure with anode and both sides spit, the data will be 5.
In case of KV regulation error , decrease kV-mA target of exposure (for example 60kV-50mA).
Background
This is a slow speed safety circuit in case of “smooth” spits or a case of a regulation problem.
Code 30-0328h
Description
Warning, spit counter overflow
Background
Find additional details in the Code 30-0328h GE Lightspeed VCT Troubleshooting Guide.
Code 30-0450h
Description
Tube Curr max detected
Background
Anode Rotation Errors (Code 40) GE Lightspeed VCT Troubleshooting
Code 40-0101h
Description
No CAN message received within 5 seconds.
Background
The rotation board has not received any signal from the PPC kV control main software for the last 5 sec., interpreted as a loss of communication
Code 40-0102h
Description
Data base not correct.
Background
The firmware of the rotation board has detected that the data base received from the PPC kV control board has wrong data.
Code 40-0103h
Description
Rotation current overload
Background
Rotation board has detected Main or auxiliary Rotation current too high compared to the max. Tube motor current.
Code 40-0104h
Description
Rotation current open load
Background
Rotation board detected that no current is flowing to the motor.
Code 40-0105h
Description
Rotation Phases unbalanced
Background
The amplitude difference of the current between main and auxiliary is too large.
Code 40-0106h
Description
Rotation phase error
Background
The Rotation board has detected that the current in the anode stator does not show the correct phase shift between main and auxiliary.
Code 40-0107h
Description
Rotation Inverter permanent over current
Background
An over current has been detected and 3 restart have been tried unsuccessfully within a single rotation state.
Code 40-0109h
Description
MAINS_DROP detected
Background
The firmware of the rotation board has detected the mains drop signal activation and transmitted error to PPC kV control
Code 40-0110h
Description
PRD error (reference Z3/Z4=bitmap)
Background
Firmware checksum, RAM test and EPLD access are performed at power up or reset.
| PRD Error- Z3/Z4 Bitmap |
|---|
| 0001H=RAM |
| 0002H=RAM stack |
| 0200H=EPLD |
| 8000H=program checksum |
Code 40-0111h
Description
F0 main frequency problem.
Background
EPLD has not applied the inverter start command.
Filament Heater Errors (Code 50) GE Lightspeed VCT Troubleshooting
Code 50-0201h, 1201h
Description
No CAN message received within 5 seconds
Background
The Heater board has not received any command from the PPC kV control main software for the last 5 sec., interpreted as a loss of communication
Code 50-0202h, 1202h
Description
Database not correct.
Background
The firmware of the heater board has detected that the data base received from the PPC kV control board has wrong data.
Code 50-0203h, 1203h
Description
Heater inverter permanent over current.(SW limit)
Background
Issued by the heater board when an over current has been detected and 3 restarts have been tried without success within 100 ms
Code 50-0204h, 1204h
Description
Filament permanent open circuit.
Background
Issued by the heater board when an open has been detected and 3 restarts have been tried without success within 100 ms
Code 50-0205h, 1205h
Description
Heater Inverter permanent short circuit (HW limit)
Background
Issued by the heater board when a short circuit has been detected and 3 restarts have been tried without success within 100 ms
Code 50-0206h, 1206h
Description
Filament overload Pre-Heat
Background
This is the result of an integrated value of the RMS current measurement on Heater board comparison with max. Tube value in database.
Code 50-0207h, 1207h
Description
Filament overload Boost
Background
This is the result of an integrated value of the RMS current measurement on Heater board comparison with max. Tube value in database.
Code 50-0208h, 1208h
Description
Filament overload Heat
Background
This is the result of an integrated value of the RMS current measurement on Heater board comparison with max. Tube value in database.
Code 50-0210h, 1210h
Description
PWM rate too low
Background
RMS filament current measurement (every 0.5 m sec.) on heater board is too low
Code 50-0211h, 1211h
Description
PWM rate too high
Background
RMS filament current measurement (every 0.5 msec.) on heater board is too high
Code 50-0212h, 1212h
Description
MAINS_DROP detected.
Background
The firmware of the Heater board has detected the mains drop signal activation and has transmitted error to PPC kV control
Code 50-0213h, 1213h
Description
PRD error (reference Z3/Z4=bitmap)
Background
Firmware checksum, RAM test and EPLD access are performed at power up or reset.
| PRD Error- Z3/Z4 Bitmap |
|---|
| 0001H=RAM |
| 0002H=RAM stack |
| 0200H=EPLD |
| 8000H=program checksum |
Code 50-0214h, 1214h
Description
Boost too long
Background
Boost command stayed longer than 400ms
Code 50-0215h, 1215h
Description
Filament selection error
Background
The relay on the Heater board selecting the filament is in the wrong position with respect to the selection
Code 50-0216h, 1216h
Description
Current feedback not null when inverter OFF
Background
Inverter current has been measured while the inverter was not commanded.
Code 50-0217h, 1217h
Description
Current not zero through a not selected filament
Background
Residual current of unselected filament at heater output (for Heater V6 version only)
Code 50-0221h, 0222h, 0223h, 0224h, 1221h 1222h 1223h 1224h
Description
Filament Database not correct
Background
The firmware of the heater board has detected that the Received Data base from PPC kV control contains erroneous data for Tube 1, 2, 3, or 4.
| Filament Database Error (Lightspeed VCT) |
|---|
| 2 bytes bitmap ( LSByte=small focus, MSByte=large focus) |
| Each bit points to an erroneous parameter |
Code 50-0248h, 1248h
Description
Heater large focus error
Background
The main software received an error from heater board with no error code associated
Code 50-0249h, 1249h
Description
Heater small focus error
Background
The main software received an error from heater board with no error code associated.
Exposure Errors (Code 60) GE Lightspeed VCT Troubleshooting
Code 60-0306h
Description
No kV feedback on anode side
Background
kV measured <12kV 0,5ms after start of exposure on anode side only
Code 60-0307h
Description
No kV feedback on cathode side
Background
kV measured <12kV 0,5ms after start of exposure on cathode side only
Code 60-0308h
Description
No kV Feedback (on anode and cathode)
Background
kV measured <12kV 0,5ms after start of exposure on both anode and cathode
Code 60-0309h
Description
kV detected during kV diagnostics.
Background
kV measured during inverter diagnostics while no kV must be generated.
Code 60-0310h
Description
kV MAX detected
Background
kV reached maximum kV limit during exposure
Code 60-0311h
Description
ILP current not OK.
Background
The current in the parallel resonant circuit of the inverter did not rise at the beginning of the exposure.
Code 60-0312h
Description
ILR current not OK
Background
The current in the serial resonant circuit of the inverter did not rise at the beginning of the exposure.
Code 60-0313h
Description
Inverter max. ILR current detected.
Background
This is a hardware detection of maximum current in serial resonant circuit.
Code 60-0314h
Description
ILR Current time out.
Background
The current resonant frequency is lower than expected
Code 60-0316h
Description
Spit Max error.
Background
PPC kV control has detected the number of tube spits during exposure has reached the limit (see theory of operation, software section)
Code 60-0317h
Description
Spit Ratio error.
Background
PPC kV control has detected the rate of tube spits during exposure has reached the limit (see theory of operation, software section)
Code 60-0318h
Description
kV did not reach 75% after 20ms.
Background
Indicates that there were no HV ON signal generated for exposure time count-up
Code 60-0319h
Description
kV unbalanced detected.
Background
Detects that there is more than 12kV difference between kV+ and kV –
Code 60-0320h
Description
FPGA problem; Safety hit with unknown reason
Background
No error at the inputs while checking for error source. Find additional details in the Code 60-0320h GE Lightspeed VCT Troubleshooting Guide.
Code 60-0321h
Description
Spit retry failed.
Background
Code 60-0323h
Description
ILP and ILR current not OK
Background
No inverter current measures at the beginning of the exposure
Code 60-0325h
Description
DSP overload
Background
Code 60-0326h
Description
DSP exposure stop
Background
FInd additional details in the Code 60-0326h GE Lightspeed VCT Troubleshooting Guide.
Code 60-0329h
Description
Wrong HV capa measure
Background
Code 60-0401h
Description
No mA feedback
Background
mA measurement function: PPC kV control has detected no mA feedback 20 ms after the beginning of the exposure.
Code 60-0402h
Description
mA scale error
Background
mA has been measured to be either too low or too high with respect to mA demand 20 ms after the beginning of the exposure.
Code 60-0403h
Description
mA out of range
Background
Measured mA every 50 msec exceeded 5% of mA demand. This error is logged, but does not stop the exposure.
Code 60-0451h
Description
mA meter saturated
Background
Find additional details in the Code 60-0451h GE Lightspeed VCT Troubleshooting Guide.
Code 60-0504h
Description
Inverter Gate Power Supply error
Background
Gate supply voltage has dropped below the level required to drive the IGBTs properly
Code 60-0801h
Description
Exposure backup mAs exceeded
Background
The exposure command last so long that the maximum mAs allowed has been reached
Code 60-0802h
Description
Exposure backup time exceeded.
Background
The exposure command last longer than the duration that was loaded by the system (Backup time + 5%.). Find additional details in the Code 60-0802h GE Lightspeed VCT Troubleshooting Guide.
Code 60-0803d
Description
Exposure command while generator not ready.
Background
Generator received an exposure command while not in ready state
Code 60-1181h
Description
mA between pulses
Background
Error found in verifying the counter normal operation.
Code 60-1407h
Description
mAs counter error
Background
Error found in verifying the counter normal operation.
Code 60-1408h
Description
AEC does not count.
Background
If there is no AEC feedback in AEC station exposure.
Code 60-1409h
Description
mAs meter saturated.
Background
A check is done on mAs counter operation at the beginning of exposure and found the mAs meter with unrealistic value. Find additional details in the Code 60-1409h GE Lightspeed VCT Troubleshooting Guide.
Code 60-1410h
Description
FPGA locked.
Background
FPGA detected an error and did not allow start exposure after exposure command signal was received. Find additional details in the Code 60-1410h GE Lightspeed VCT Troubleshooting Guide.
Code 60-1411h
Description
Time counter error.
Background
Error found in verifying the counter normal operation. Find additional details in the Code 60-1411h GE Lightspeed VCT Troubleshooting Guide.
Code 60-1420h
Description
Tomo cut too early
Background
Code 60-1421h
Description
Time cut instead tomo
Background
Generator received an exposure command while not in ready state
Code 60-1454h
Description
Jedi inverter temperature too high
Background
Power Supply Errors (Code 70) GE Lightspeed VCT Troubleshooting
Code 70-0501h
Description
DC bus out Of range (<400 or >850)
Background
Code 70-0502h
Description
Error Overvoltage > 780Vdc
Background
Code 70-0503h
Description
Inverter Gate Power Supply error (checked at prep)
Background
Code 70-0505h
Description
Mains power supply has dropped During exposure
Background
LVPS400 has detected a drop of its power supply and shuts down JEDI
Code 70-0506h
Description
DC bus 1 phase pre-charge error.
Background
Found DC bus did not reach 400V after 30 sec.Charge relay is not activated and pre-charge relay drops
Code 70-0507h
Description
DC bus 1 phase discharge error.
Background
Found that DC bus voltage is > 30 V before pre-charge.
Code 70-0510h
Description
HVPM AEC not 230V
Background
230V voltage generated in AEC board for ion chamber supply not OK
Code 70-0511h
Description
Error Undervoltage < 320VDC
Background
Code 70-0549h
Description
LVPS TRI: Unknown error
Background
The main software received a LVPS error with no error code associated
Code 70-0553h
Description
LVPS TRI: Detected +160V too high
Background
+160V is higher than 225V (measured on heater board)
Code 70-0557h
Description
LVPS TRI: Detected +160V too low
Background
+160V is lower than 110V (measured on heater board)
Code 70-0563h
Description
LVPS TRI: Detected +15V too high
Background
+15V is higher than 17.3V (measured on heater board)
Code 70-0567h
Description
LVPS TRI: Detected +15V too low
Background
+15V is lower than 13V (measured on heater board)
Code 70-0573h
Description
LVPS TRI: Detected -15V too high
Background
-15V is lower than -17.3V (measured on heater board)
Code 70-0577h
Description
LVPS TRI: Detected -15V too low
Background
-15V is higher than -13V (measured on heater board)
Hardware Errors (Code 80) GE Lightspeed VCT Troubleshooting
Code 80-0180h
Description
Rotation board communication problem.
Background
PPC kV control board communication Watch Dog with Rotation board popped up because it did not get reply from Rotation board.
Code 80-0181h
Description
Rotation board has reset.
Background
PPC kV control has detected the Rotation board has reset. PPC kV control will reload Rotation data base.
Code 80-0280h
Description
Heater 0 board communication problem
Background
PPC kV control board communication Watch Dog with Heater board popped up because it did not get reply from Heater board.
Code 80-0281h
Description
Heater board has reset.
Background
PPC kV control has detected the heater board has reset. KV ctrl will reload Rotation data base.
Code 80-0322h
Description
kV ref ADC / DAC failed
Background
PPC kV control DAC and ADC capability are permanently tested for coherency. Find additional details in the Code 80-0322h GE Lightspeed VCT Troubleshooting Guide.
Code 80-03A0h
Description
DSP error
Background
DSP program corrupted. Find additional details in the Code 80-03A0h GE Lightspeed VCT Troubleshooting Guide.
Code 80-0601h
Description
RTL error (+ associated data to check which of the 4 RTL lines)
Background
Real Time Lines show a wrong state. RTL’s are tested on a regular basis in stand by.
Code 80-0602h
Description
External CAN bus off
Background
Communication to system through CAN not possible. System will report JEDI comm. problem.
Code 80-0902h
Description
Tube Fan supply error.
Background
Rotation board has detected that a wrong voltage is applied to the tube fan
Code 80-1000h
Description
Tube switch com. Problem
Background
Code 80-1006h
Description
Background
Code 80-1010h
Description
Tube Switch comm problem
Background
Code 80-1180h
Description
Ingrid not active
Background
Code 80-1182h
Description
Ingrid CAN bus off
Background
Code 80-1280h
Description
Heater 1 board communication problem
Background
Code 80-1281h
Description
Heater 1 board has reset
Background
Code 80-1402h
Description
Internal CAN bus off
Background
CAN device on PPC kV control board detected abnormal level on it’s 2 line and sent error to the CPU
Code 80-1403h
Description
Connection Fault
Background
One of the flat cable connector is not connected in Generator.
Code 80-1404h
Description
FPGA configuration problem.
Background
Detected during power up. The PPC kV control main software cannot load the FPGA. Find additional details in the Code 80-1404h GE Lightspeed VCT Troubleshooting Guide.
Code 80-1413h
Description
Internal CAN bus Txo
Background
Internal CAN bus not transmitting. Find additional details in the Code 80-1413h GE Lightspeed VCT Troubleshooting Guide.
Code 80-1414h
Description
Internal CAN LD bus Txo
Background
Internal LD CAN bus not transmitting
Code 80-1415h
Description
External CAN bus Txo
Background
External CAN bus not transmitting. System to JEDI communication not possible
Code 80-1416h
Description
Internal CAN RTL2 error
Background
Code 80-1417h
Description
DC disch. when inhib
Background
Code 80-1418h
Description
No DC disch. on request
Background
Code 80-1419h
Description
10V reference error
Background
Find additional details in the Code 80-1419h GE Lightspeed VCT Troubleshooting Guide.
Code 80-1422h
Description
Overpress or Blown fuse
Background
Code 80-1422h
Description
H4 Power IF com. error
Background
Code 80-1425h
Description
Rotor accel is forbidden
Background
Application Errors (Code 90) GE Lightspeed VCT Troubleshooting
Code 90-0701h
Description
NV RAM checksum pb.
Background
Generator PPC kV control board has detected corruption in the NV Ram verification (After power up)
Code 90-0702h
Description
Software problem.
Background
Find additional details in the Code 90-0702h GE Lightspeed VCT Troubleshooting Guide.
Code 90-0705h
Description
System or database configuration error.
Background
The identifier of the system and the database are not compatible.
Code 90-0706h
Description
Wrong DSP version
Background
(Engineering debug). Find additional details in the Code 90-0706h GE Lightspeed VCT Troubleshooting Guide.
Code 90-0707h
Description
Wrong FPGA version
Background
(Engineering debug). Find additional details in the Code 90-0707h GE Lightspeed VCT Troubleshooting Guide.
Code 90-1001h
Description
Wrong tube number selection
Background
Code 90-1003h
Description
Tube Sel. while rotor On
Background
Code 90-1004h
Description
Tube Sel. while heat On
Background
Code 90-1005h
Description
Tube Sel while kV On
Background
Code 90-1011h
Description
Unexpected tube switch board
Background
A switch board has been detected in a single tube system
Code 90-1012h
Description
Exposure preparation while tube not ready (during tube switching)
Background
Communication Errors (Code 100) GE Lightspeed VCT Troubleshooting
Code 100-0603h
Description
Debug screen com. error
Background
Code 100-0604h
Description
Database download error
Background
Generator has detected a problem during data base download
Code 100-0605h
Description
TAV communication error.
Background
Generator has detected a communication problem between the I/F and the service laptop (When Generator is controlled by the laptop).
Code 100-1301h
Description
AEC Board com problem.
Background
AEC communication problem
Code 100-1302h
Description
Watchdog CAN com. Error
Background
No more communication with system
Thermal Errors (Code 110) GE Lightspeed VCT Troubleshooting
Code 110-0804h
Description
Tank Thermal sensor too high
Background
HV tank temperature has reached the maximum limit.
Code 110-0805h
Description
Inverter HW temperature too high.
Background
Parallel inductor temperature has reached the maximum limit.
Code 110-0806h
Description
Lp temperature too high
Background
Lp inductor temperature has reached the maximum limit
Code 110-0903h
Description
Tube exceeded 70°C
Background
Tube temperature switch detected open
Code 110-0904h
Description
HEMIT Thermal error.
Background
Code 110-0905h
Description
Tube thermal protection
Background
Thermal protection algorithm has detected that tube exceeded its temperature limits
Code 110-0906h
Description
Tube track protection
Background
For pulsed mode only , instantaneous exceeding tube capacity
Code 110-1405h
Description
Tank temperature sensor too low
Background
HV tank temperature is below < 3°C. Indicates sensor malfunction
Code 110-1406h
Description
Inverter HW temp meas too low
Background
Parallel inductor temperature is below < 3°C. Indicates sensor malfunction
Code 110-1412h
Description
Lp temperature too low
Background
Manipulation Errors (Code 120) GE Lightspeed VCT Troubleshooting
Code 120-1500h
Description
Tomo brightness not good
Background
Code 120-1501h
Description
Release exposure switch
Background
Code 120-1502h
Description
AEC does not cut exposure Exposure stopped by mAs limitation
Background
Ingrid Errors (Code 130) GE Lightspeed VCT Troubleshooting
Code 130-1100h
Description
Ingrid communication watchdog error
Background
Communication lost
Code 130-1101h
Description
Ingrid repetition rate higher than 100 fps
Background
Code 130-1102h
Description
Inter grid CMD time shorter than 0.5ms
Background
Code 130-1103h
Description
Ingrid power supply voltage lower than 130V
Background
Code 130-1104h
Description
Ingrid power supply voltage higher than 200V
Background
Code 130-1105h
Description
Ingrid feedback error
Background
Ingrid voltage is wrong
Code 130-1107h
Description
Grid feedback voltage too High
Background
Code 130-1109h
Description
Bias feedback voltage too High
Background
Code 130-1110h
Description
Ingrid target DAC voltage feedback fault
Background
Code 130-1199h
Description
Ingrid error
Background
Tube Switch Errors (Code 140) GE Lightspeed VCT Troubleshooting
Code 140-1020h
Description
Tube Switch status error
Background
Code 140-1021h
Description
Tube Switch State Machine error
Background
Code 140-1022h
Description
Tube Switch lamp relay feedback error
Background
Code 140-1023h
Description
Tube Switch heater SF feedback error
Background
Code 140-1024h
Description
Tube Switch heater LF feedback error
Background
Code 140-1025h
Description
Tube Switch rotation relay feedback error
Background
Code 140-1026h
Description
Tube Switch Motor Position error
Background
(Motor is in intermediate position)
Code 140-1027h
Description
Tube Switch Motor Feedback error
Background
(Switching Time out)
Code 140-1028h
Description
Tube Switch Motor is in the opposite position
Background
Code 140-1030h
Description
Tube switch config reply error
Background
Code 140-1031h
Description
Tube switch status reply error
Background
Code 140-1032h
Description
Tube switch motor move refused
Background
Code 140-1033h
Description
Tube switch rotor capa activation error
Background
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Conclusion
MRIPETCTSOURCE provides the best radiology resources to assist your GE Lightspeed VCT troubleshooting and repairs. New resources will be linked to this page as they are published so check back often for the latest CT scan machine troubleshooting resources.
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Related Resources
- GE Lightspeed VCT Troubleshooting Guides
- GE Lightspeed VCT Parts List
- GE Lightspeed VCT Directory and Information Page
- Field Engineers Resources
- Technologist Resources Page
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