GE · Refrigerator error code
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Component test · RefrigeratorOlder refrigerators use a motor-driven timer that switches between cooling and defrost. Turning the advance screw lets you force defrost and test the contacts; terminal numbering varies, so use the diagram on the timer or tech sheet.
Guide · RefrigeratorStart by knowing the architecture. Sub-Zero built-ins have two separate sealed systems, so a warm section means a fault in that section's own fan, defrost, sensor or system. Monogram built-ins share one freezer evaporator and feed fresh food through a damper, so a warm fresh-food side with a cold freezer points at the damper, airflow or an iced return passage.
Guide · RefrigeratorOn conventional top-mounts, a mechanical defrost timer and a cold control decide when the unit cools or defrosts. Advancing the timer by hand tells you in minutes whether the timer, the defrost parts or the cold control is at fault.
GE · Refrigerator
0001 / 0002
Fresh-food / freezer thermistor out of range
GE · Refrigerator
07-07 / 07-08 / 0733
Dispenser / feature board communication error
GE · Refrigerator
0011–0014
Hot-water tank thermistor fault
GE · Refrigerator
88 / 89
Possible power surge / control electrical issue
GE · Refrigerator
0100–0117
Fan feedback fault
GE · Refrigerator
0300–0304
Compressor timing / temperature fault