Error code · Professional Laundry

ASKO Professional Dryer Code E6: Relay Problem on the Control Board

An E6 on an ASKO Professional TDC1773 dryer is read as a relay failure in the control unit. Relays are the switches on the control board that send power to the heater and motor. The TDC1773…

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Code: E6
Appliance: Professional Laundry
Brand: ASKO
Warranty: 30-day workmanship

What E6 means

An E6 on an ASKO Professional TDC1773 dryer is read as a relay failure in the control unit. Relays are the switches on the control board that send power to the heater and motor. The TDC1773 is a commercial-grade ASKO Professional dryer sold in the US for multifamily and light commercial laundry rooms. When the control sees a relay that did not switch as commanded, it stops the cycle and shows E6.

Common causes of E6

A relay on the control board that sticks open or closed
Heat or age damage on the control board
Loose wiring to the heater or motor circuit
A control that needs replacing as a whole

✓ One safe check you can try

1. Turn the dryer off and let it cool. 2. Clean the lint screen and make sure the door closes fully. 3. Start one new cycle to see whether E6 comes back. 4. If it does, stop using the dryer. Never open the cabinet or work near the wiring yourself.

! Why to stop there

Whether the relay problem is on the control board or in the circuit it switches
Whether the heater or motor load is pulling the relay too hard
Whether repairing the board makes sense, or a replacement control is the better value, which we tell you plainly

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Professional Laundry codes

E7ASKO Professional Dryer Code E7: Door Circuit Problem E8ASKO Professional Dryer Code E8: Stuck or Unresponsive Button E9ASKO Professional Dryer Code E9: Boards Out of Step on Software Version WATER INLET FAULTASKO Professional Washer Message "Water Inlet Fault": Supply Problem DRAINING FAULTASKO Professional Washer Message "Draining Fault": Water Not Leaving the Drum E0ASKO Professional Dryer Code E0: Control Unit Problem E1ASKO Professional Dryer Code E1: Temperature Reading Out of Range E2ASKO Professional Dryer Code E2: Control and Display Not Talking

E6E6 questions

What does E6 mean on this dryer?

The control found that one of its relay switches is not doing what it was told. Because relays carry the heater and motor current, the dryer stops rather than keep running.

Is it safe to keep drying with E6?

We advise against it. A relay that sticks can leave a heater powered when it should be off. Leave the dryer off until it has been checked.

Can you repair an older ASKO Professional dryer?

Yes, and we tell you honestly when a repair is not worth it. Call us or use the online form, and we will confirm a three-hour arrival window and give a written price first.

Book a visit

Still seeing E6?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 804-6320