Error Code ACA
The compressor controller isn't communicating properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: ACA
What This Means
Incorrect wire connections between main and compressor inverter PBAs; Disconnected wires between main and compressor inverter PBAs; Main PBA communication circuit fault; Compressor Inverter PBA communication circuit fault
What actually causes this:
An internal communication failure between the main control board and the heat pump compressor controller.
First Thing to Check
Unplug the dryer for 2 minutes, then plug it back in — this resets the electronics.
Parts Involved
How to Fix
- 1
1. Check wire connections and terminal contacts between main and compressor inverter PBAs
- 2
2. Check for disconnected wires
- 3
3. If main or compressor inverter PBA communication circuit is faulty, replace the faulty PBA
Other Error Codes for DV22N6800HW
The dryer thinks the door is open while running
A secondary temperature sensor is giving bad readings
A fourth temperature sensor is reading abnormally
A third temperature sensor is giving incorrect readings
The drum motor temperature sensor detected a problem
The heat pump compressor has stopped working
Your dryer isn't heating properly or is overheating
The heat pump compressor motor isn't working