Error code reference

Atwood Refrigerator Error Codes

12 error codes documented with diagnostic procedures.

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CHECK FLASH (Door Open)Fresh food compartment door has been left open for more than 2 minutes; 80ms beeper…CHECK FLASH + GAS ONGAS mode selected and burner failed to ignite within the allowed 40-45 second trial…CHECK FLASH + TEMP1-5 FLASHThermistor is open or shorted; control switches to backup temperature control system…CHECK ON (Stress Initial)Stress monitor fault (initial detection); 720ms beeper sounds every 10 seconds; latched…CHECK ON (Stress Latched)Stress monitor fault after power cycle; latched in nonvolatile memory; no beeper.CHECK ON + AC ON (AC No Supply)AC mode selected but no AC supply is available; 250ms beeper sounds.CHECK ON + DC ON (DC No Supply)DC mode selected but no DC supply is available; 250ms beeper sounds.CHECK ON + GAS ON (Flame Detect)Flame detect circuit offset is too high; detected at power up; 240ms beeper.CHECK+AUTO+GAS+AC+DC ONOpen thermal switch on heat source (canister above burner box reached abnormally high…CHECK+AUTO+GAS+AC+DC ON (Open Fuse)Open fuse F3 (Controller fuse).CHECK+AUTO+GAS+AC+DC ON (Under Voltage)Under voltage condition detected (DC supply below 8V).No Communication from Display BoardNo communication between display board and power board; all heat sources are turned OFF.

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