LG dryer troubleshooting: LG dryer is not drying, not heating Fuse is blown/circuit breaker is tripped • Check the house fuse/circuit breaker box and replace fuse or reset breaker. NOTE: Most electric dryers use two fuses/breakers. Dryer dosen’t heat: Fuse is blown/circuit breaker is tripped, the dryer may tumble but not heat • Check the house fuse/circuit breaker box and replace fuse or reset breaker. LG Help Library: No Power – Verify fuse box | LG Canada NO POWER TO DRYER – VERIFY FUSE . BOX . No power / Power but won’t heat Cause Circuit breaker can be tripped or fuse blown due to unstable current especially if either devices haven’t been changed or replaced a good number of years.