436-GC/456-GC Service Manual Revision B February 2019
Code Error Description Error level Cause Condition(s) GC action Action needed
Rear FID Flame Reigniting
50 Front PFPD Board Failure Alert Defect PFDP board
Electronics off (all)
H2 flow set to 0.0 mL/min
Replace PFPD board
51 Middle PFPD Board Failure Alert Defect PFDP board
Electronics off (all)
H2 flow set to 0.0 mL/min
Replace PFPD board
52 Back PFPD Board Failure Alert Defect PFDP board
Electronics off (all)
H2 flow set to 0.0 mL/min
Replace PFPD board
Becoming Not Ready (during run)
Becoming Ready (during run)
62 IOC_EFC_BUFFER_OVERFLOW, Unit rebooted Event
Caused by too many requests requested by IOC to
EFC Interface print.
GC reboot the interface print
firmware
-
63 IOC_EFC_COMMUNICATION_ERROR, Unit Rebooted Event
Communication between EFC Interface Print and
EFC broken.
GC reboot the interface print
firmware
-
67 Column Oven Open Sensor Error Column Oven sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check Column Oven zone
68 Zone 1 Open Sensor Error Zone 1 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (1)
69 Zone 2 Open Sensor Error Zone 2 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (2)
70 Zone 3 Open Sensor Error Zone 3 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (3)
71 Zone 4 Open Sensor Error Zone 4 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (4)
72 Zone 5 Open Sensor Error Zone 5 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (5)
73 Zone 6 Open Sensor Error Zone 6 sensor not in use, mis used
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (6)
74 Column Oven Shorted Sensor Error Shorted sensor. Defect Sensor
Electronics off (all)
H2 flow set to 0.0 mL/min
Check Column Oven zone
75 Zone 1 Shorted Sensor Error Shorted sensor. Defect Sensor
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (1)
76 Zone 2 Shorted Sensor Error Shorted sensor. Defect Sensor
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (2)
77 Zone 3 Shorted Sensor Error Shorted sensor. Defect Sensor
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (3)
78 Zone 4 Shorted Sensor Error Shorted sensor. Defect Sensor
Electronics off (all)
H2 flow set to 0.0 mL/min
Check zone (4)
Shorted sensor. Defect Sensor