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FAULT CODE TROUBLESHOOTING GUIDE
Code Service
Icon
State
Description and Action
Check wiring and power to heater.
44 9 43
Four-watt glass well heater not detected.
Check wiring and power to heater.
45 1 00
Main refrigerator lights open circuit.
Check lights and wiring.
45 2 00
Main freezer lights open circuit.
Check lights and wiring.
45 1 01
Main refrigerator lights short circuit.
Check lights and wiring.
45 2 01
Main freezer lights short circuit.
Check lights and wiring.
45 A 45
Flashing
Air Filter
Icon
Air filter light burned out.
Replace air filter cartridge.
45 L 00
Accent lights open circuit.
Check lights and wiring.
45 L 01
Accent lights short circuit.
Check lights and wiring.
50 U 80
Water flow meter not detected.
Verify power and wiring to flow meter assembly.
If power and wiring are good, replace the
isolation valve (includes the flow meter).
50 U 86
Water flow meter detected low flow.
Verify water pressure and check for any water
system obstructions.
50 U 87
Water flow meter did not detect flow.
Verify water pressure, water flow, and that flow
meter is not blocked or dirty.
60 1 02
Refrigerator variable speed compressor
communication error.
Replace the control board.
60 1 38
Refrigerator variable speed compressor
communication error.
Replace the control board.
60 1 60 On
No refrigerator compressor load detected.
Check compressor electricals and wiring.
FAULT CODE TROUBLESHOOTING GUIDE
Code Service
Icon
State
Description and Action
60 2 02
Freezer variable speed compressor
communication error.
Replace the control board.
60 2 38
Freezer variable speed compressor
communication error.
Replace the control board.
60 2 60 On
No freezer compressor load detected.
Check compressor electricals and wiring.
90 0 70
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 71
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 72
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 73
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 74
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 75
Flash failure.
Reconfigure control board. Replace control
board if reconfiguration fails.
90 0 81
Microcontroller fault.
Replace control board if the fault is active.
90 0 90
Microcontroller fault.
Replace control board if the fault is active.
90 0 92
Microcontroller fault.
Replace control board if the fault is active.
90 0 93
Microcontroller fault.
Replace control board if the fault is active.
90 3 38 This code is inactive. Please ignore.
90 3 55 Condenser fan triac open.
ICBBI-42UFDID
Troubleshooting
Built-In Fault Code Troubleshooting Guide (continued)
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7041397 REVA 12/2017
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