Tus neeg siv phau ntawv

FAULT CODE TROUBLESHOOTING GUIDE
Code Service
Icon
State
Description and Action
Verify condenser fan operation. Replace control
board if fault is active.
90 3 56
Condenser fan triac shorted.
Verify condenser fan operation. Replace control
board if fault is active.
90 5 01
Key shorted or damaged on display.
Verify key performance. Replace display if
needed.
90 5 38 On
12 VDC fan power output fault.
Verify constant 12 VDC to evaporator fan.
Replace control board if fault is active.
90 5 39 This code is inactive. Please ignore.
90 5 44
Glass door heater output fault.
Check wiring and power to glass door heater.
Replace control board if fault is active.
90 5 80
No keypad communications.
Check wiring and key performance of display.
Replace display if needed.
90 5 85
Display failure.
Replace display.
90 5 95
Key shorted or damaged on display.
Check wiring and key performance of display.
Replace display if needed.
90 5 96
Key shorted or damaged on display.
Check wiring and key performance of display.
Replace display if needed.
90 5 97
Display microcontroller problem.
Check wiring and key performance of display.
Replace display if needed.
90 5 99
Display error.
Check wiring and key performance of display.
Replace display if needed.
90 9 80
No communications with door dispenser.
Check proper model configuration. Check
wiring to the dispenser.
90 A 38
Air filter fan output fault on control board.
Replace control board if fault is active.
FAULT CODE TROUBLESHOOTING GUIDE
Code Service
Icon
State
Description and Action
90 A 56 This code is inactive. Please ignore.
90 b 80
No stepper microcommunication.
Replace control board.
90 F 38 On
Freezer evaporator fan output fault on control
board.
Verify if fan is working. Replace control board if
fault is active.
90 H 80 On
Communication problems on control board.
Replace control board.
90 H 82
Intermittent communications on control board.
Replace control board.
90 H 83
Communication problems on control board.
Replace control board.
90 H 84
Initialization fault.
Power unit off then on, and verify if code
remains active. Replace control board if fault is
active.
90 L 38
Check if accent lights are working.
Replace control board if fault is active.
90 r 38 On
Refrigerator evaporator fan output fault.
Verify fan operation. Replace control board if
fault is active.
95 1 25
Verify refrigerator evaporator is cooling properly
when compressor is on. Check sealed system
charge if not.
95 2 25
Verify freezer evaporator is cooling properly
when compressor is on. Check sealed system
charge if not.
95 1 00
Refrigerator compressor microprocessor pin
stuck in off position.
Replace control board.
95 1 01
Refrigerator compressor microprocessor pin
stuck in on position.
Replace control board.
95 2 00
Freezer compressor microprocessor pin stuck
in off position.
Replace control board.
ICBBI-42UFDID
Troubleshooting
Built-In Fault Code Troubleshooting Guide (continued)
service.subzero.com
7041397 REVA 12/2017
159