ASKO Dryer Error Code H6

The H6 code means that one of the two heating elements in your Asko electric dryer has been detected as disconnected or non-functional. The dryer runs a heater check mode and measures temperature rise over 2 minutes. When the rise falls between 5°C and 19°C, rather than the expected value for two working heaters, the control board logs H6. This points specifically to one heater being inactive while the other continues to operate.

Resetting the dryer may temporarily clear the H6 display, but the error will return as soon as the control board runs its heater check and detects the same temperature differential. Because H6 reflects an actual component failure rather than a sensor glitch, the underlying fault in the heater circuit must be repaired before the code will stay cleared permanently.

Repair costs depend on which component has failed. A replacement heating element or thermal cutoff part typically ranges from $20 to $80, while professional labor to diagnose and complete the repair can add $100 to $250 depending on your location and the technician's rates. If the control board relay is at fault, board replacement or repair will increase the total cost considerably.

The dryer may continue to run with only one heater active, but drying performance will be significantly reduced and cycle times will be much longer than normal. Continuing to run the dryer in this condition puts extra strain on the remaining heater and can accelerate wear. It is advisable to diagnose and repair the fault promptly rather than relying on the dryer in a degraded state.

Replacing a heating element or thermal cutoff is a repair that knowledgeable DIYers can perform, but it requires working inside an appliance connected to a 240V circuit. Always unplug the dryer completely before opening the cabinet or touching any internal components. If you are not comfortable working with high-voltage appliances, having a qualified technician perform the repair is the safer choice.