Error code · Washer

Samsung Washer Code AC5 / AE5: Display Module Link

Medium · inspection needed

Code: AC5 / AE5
Appliance: Washer
Brand: Samsung
Warranty: 30-day workmanship

What AC5 / AE5 means

On Samsung WF45-series front-load washers, AC5 or AE5 means the LCD display module has stopped communicating with the main control board. Models that use this table include the WF45M5500A and WF455ARGSGR/A2. The panel may show the code or look unresponsive, and the cycle can stop. The water, drain, and drum circuits are not what this code points to; it is about the link between the front panel and the main board.

Common causes of AC5 / AE5

Display module cable and connector
Wiring between the panel and the main board
Display module board itself
Main board communication circuit

✓ One safe check you can try

1. Switch the washer off and give it a couple of minutes. 2. Switch it on and see whether the panel responds. 3. Dry the panel with a cloth if it is damp, and keep spray cleaners away from the buttons. 4. If AC5 or AE5 returns, book a visit and leave the panel closed.

! Why to stop there

A blank or slow panel can come from the module or from the link, and we cannot tell which from outside.
We check the display connector and cable, then test the module's response.
You get a written price before any display or board work.

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 Washer codes

Cold / Eco WarmSamsung Washer Cold or Eco Warm Lights Blinking: Stuck Button Extra Large / Extra High / Large / High blinkingSamsung Washer Extra Large, Extra High, Large, or High Lights Blinking: Water Not Filling Hot & Cold / Hot & Eco WarmSamsung Washer Hot and Cold, or Hot and Eco Warm Lights Blinking: Motor Error Hot / Hot & Extra Large / Hot & Extra High / Hot & Large / Hot & HighSamsung Washer Hot, or Hot with a Level Light Lights Blinking: Door Not Locked Hot & Medium / Hot & MidSamsung Washer Hot and Medium, or Hot and Mid Lights Blinking: Heater Error Hot & Small / Hot & LowSamsung Washer Hot and Small, or Hot and Low Lights Blinking: Hoses Swapped Hot & Tap Cold / Hot & CoolSamsung Washer Hot and Tap Cold, or Hot and Cool Lights Blinking: MEMS Sensor Error Hot & WarmSamsung Washer Hot and Warm Lights Blinking: Unbalanced Load

AC5 / AE5AC5 / AE5 questions

Why does the panel look dead with AC5?

The display module and the main board are no longer exchanging data, so the panel may freeze or go dark. The washer's other circuits can still be intact.

Could moisture on the panel cause it?

Damp on the front panel is worth wiping dry, since it can upset the buttons. If AC5 returns after drying, the module link is the next thing we test.

Is it safe to keep trying cycles?

One or two restarts are fine. If the code keeps coming back, stop and let us check the link, since repeated attempts will not fix a loose connection.

Book a visit

Still seeing AC5 / AE5?

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

(713) 561-5298