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Decode the codes your appliance is showing — what they usually mean, what to check first, and when the code points to a repair a homeowner should not attempt.
6 articles
Modern appliances announce most failures with an error code on the display or a blink pattern on a status light. These codes are a diagnostic starting point — they tell you which subsystem the appliance's control board thinks has failed, not the exact root cause. An LG washer 'OE' code means 'water not draining' — which could be a clogged filter (free to fix), a kinked hose (free to fix), or a failed drain pump (a $200–$350 repair). The code narrows the search; it doesn't finish it.
Our error-code guides cover the most common codes on major US brands — Samsung, LG, Whirlpool, Bosch, GE — and walk through the likely causes in order from cheapest to most expensive. Wherever it's safe to check something yourself before calling a technician, we say so. When the code points to refrigerant, gas, or high-voltage components, we say to stop and call a qualified pro.
If your error code isn't listed yet, send it to us through the contact page and we'll prioritize adding it.
Bosch dishwasher showing E15? It means water is in the base pan and the leak-protection float has triggered. Here's what causes it, how to fix it step by step, costs, and when to call a pro.
Decode the most common dishwasher error codes across Bosch, Whirlpool, KitchenAid, and GE — plus what the repair typically costs.
GE oven showing an F3 error code? It points to a faulty oven temperature sensor (or its wiring). Here's what it means, how to test and fix it, repair costs, and when to call a pro.
LG washer showing an OE error code? It means a drain problem. Here's what causes it, step-by-step DIY fixes for the pump filter and hose, repair costs, and when to call a pro.
Samsung washer showing a 4C (or 4E) error code? Here's what it means, the most common causes, step-by-step DIY fixes, repair costs, and when to call a pro.
Whirlpool dishwasher showing F2 E2? It means the control panel can't communicate with the main board. Here's what causes it, how to reset and fix it, costs, and when to call a pro.