Service Manual

4-10
n
Whirlpool & Maytag Front-Load Dryers
COMPONENT ACCESS
Removing the Appliance Control Unit (ACU)
To Remove the Appliance Control Unit (ACU)
IMPORTANT: Electrostac Discharge (ESD) Sensive Device.
Failure to follow the ESD precauons outlined at the
beginning of Secon 3 “Tesng” may destroy, damage, or
weaken the main control assembly.
1. Unplug dryer or disconnect power.
2. Perform the procedures on page 4-9, “Removing the Top
Panel” prior to performing the following steps.
3. Disconnect all connectors from the ACU (see Figure 1).
4. Using a 1/4” nut driver, remove the one (1) hex-head
screw securing the ACU to the le-side panel (locaon
circled in Figure 2).
5. Slide the ACU towards the rear of the dryer to disengage
tabs from the side panel. Remove Appliance Control Unit.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before operating.
Connector Component(s)
Motor Relay (K1) Dryer Motor
Heater Relay #1 (K2) Gas & Electric Heaters
Heater Relay #2 (K3) Not Used
J2 User Interface
J6 Drum Light LED
J8 Water Valve
Door Switch
Neutral & GND
J9 L1
Motor
J13 Moisture Sensor
J14 Inlet Thermistor
Outlet Thermistor
J23 Rear Moisture Sensor (some models)
Appliance Control Unit (Figure 1)
Figure 2 - Appliance Control Board
J13
J23
J2
J14
J6
J8
J9
Motor Relay
Heater-RED
L1-BLK
Heater Relay #1
(Gas & Electric)
K1
K2
K3