ErrorCodePro · Appliance Error CodesLG Dishwasher Error Codes: Full List & Meanings
Every LG dishwasher error code we have verified against LG's own support pages, with its official meaning. Codes vary by model, so confirm in your owner's manual. Support: LG: 1-800-243-0000.
Codes by system
Leak protection
Water fill
Drain
Suds / detergent
Motor / drive
Power supply
All LG dishwasher error codes
Codes marked "Reset only" or "Service" have no separate page because the manufacturer publishes no owner fix beyond a reset or a service call.
| Code | Official meaning | System | Owner action |
|---|---|---|---|
| FE | Water supply exceeded the standard amount, or a leak was detected. Causes include oversudsing from dish soap, an unlevel unit or a misaligned door. Also: AE, RE | Leak protection | Owner checks |
| IE | Not enough water was supplied to the tub. | Water fill | Owner checks |
| OE | The tub did not drain fully. | Drain | Owner checks |
| bE | Oversudsing from dish soap or too much detergent. | Suds / detergent | Owner checks |
| nE | The impeller is not spinning normally. Dishes may be touching it. | Motor / drive | Owner checks |
| PF | Power was cut. The dishwasher remembers its last operation. This is not an error. | Power supply | Owner checks |
| tE | LG lists tE as: temperature sensor issue; service required. | Control / electronics | Service |
| HE | LG lists HE as: heater malfunction; service required. | Control / electronics | Service |
| LE | LG lists LE as: wash motor malfunction; service required. | Control / electronics | Service |
| PE | LG lists PE as: water level sensor issue (some older models); service required. | Control / electronics | Service |
| F31 | LG lists F31 as: Dynamic Heat Dry fan motor not operating; service required. | Control / electronics | Service |
| F35 | LG lists F35 as: Heat Dry temperature can't be measured; service required. | Control / electronics | Service |
| F37 | LG lists F37 as: Auto Open Door not working; service required. | Control / electronics | Service |
| CL | LG lists CL as: Control Lock active (not an error). | Control / electronics | Service |
Symptoms
Sources
Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with LG.