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What does that error code mean?
Plain answers for 48 appliance codes from Bosch, LG, Samsung, Whirlpool, GE and more, taken from each maker’s own support pages, with simple steps and when to call a pro.

Most looked up
Bosch dishwasher E15
Water has reached the base of the dishwasher, so the leak-protection system switched on…Bosch dishwasher E24
The dishwasher is not draining well. Usually the filter or the drain hose is blocked.LG washer OE
The washer could not drain the water from the wash.LG washer UE
The load is unbalanced: the laundry is bunched on one side and the drum cannot spin…Samsung washer 4C
The washer is not filling with water.Samsung washer 5C
The washer is not draining (no-drain error).Whirlpool washer F9 E1
The washer is taking too long to drain, typically more than 8 minutes (long drain).LG dryer d80
Airflow is restricted: the exhaust duct is about 80 percent blocked. On a gas dryer, d80…Samsung refrigerator 22E
The fridge fan is not turning as expected (fridge fan error). Leaving the door open too…Nest thermostat E74
The thermostat is not detecting power on the Rh wire from your heating or cooling system.
HP printer 13
There is a paper jam. The numbers after 13 show where: for example 13.B9 in the fuser…
Canon printer 5100
The print head holder (carriage) cannot move freely.By brand
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Codes and meanings come from Bosch, LG, Samsung, Whirlpool, GE, Google Nest, Honeywell, HP and Canon support pages, linked on each page. Steps are written by Sureno. Related iFixit guides are linked by title. Appliance photos from Wikimedia Commons, credited on each page.
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