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No display/No sound

Control panel display not on or no sound

Whirlpool · Smart All-in-One Washer Dryer

What does No display/No sound mean?

This indicates a complete lack of power or communication to the Human Machine Interface (HMI), which is your control panel. The display will be blank and the appliance will not make any sounds.

Common Causes

  • Loose HMI connectors
  • Loose ACU connectors
  • Power supply issue to HMI or ACU
  • Faulty HMI or ACU

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the washer/dryer from the power outlet.

  2. 2

    Wait for 1 minute, then plug it back in.

  3. 3

    Try pressing various buttons on the control panel to see if it responds or lights up.

  4. 4

    If the problem persists, ensure no household circuit breakers are tripped.

Browse all codes in this manual (46)
Verified technical data. Last updated: April 2026

Related Faults

Display offDisplay does not turn onDoor Won't LockDoor Won’t Lock - Washer/dryer door fails to secureDoor Won't UnlockDoor Won’t Unlock - Washer/dryer door remains locked
Source: Whirlpool Smart All-in-One Washer Dryer
Open Manual (Page 36)Search more codes in this manual