Test #7: Door Switch - Whirlpool WED99HEDW0 Technical Education

TESTING
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or
electrical shock.

TEST #7: Door Switch

Activate the Loads Test mode. See procedures on page 5-3.
Perform the steps under "Diagnostic: Door Switch/Drum LED."
Functionality is verified when opening the door causes "EEE"
to be displayed and turns on the drum light. Closing the door
should turn off the drum light.
If the preceding conditions are not met:
1. Unplug dryer or disconnect power.
2. Remove top panel to access the machine electronics.
3. Check that the wires between the door switch and CCU
are connected. (Refer to wiring diagram on page 6-3 and
strip circuit below.)
¾ If the connections are good, replace the wire and door
switch assembly and retest.
¾ If wire and door switch assembly have been replaced
and dryer still does not start, replace the CCU.
4. Reassemble all parts and panels.
5. Plug in dryer or reconnect power.
6. Perform the steps under "Diagnostic: Door Switch/Drum
LED" to verify repair.
DOOR SWITCH STRIP CIRCUIT
MAIN BOARD
CYCLE CONTROL UNIT
DOOR SWITCH
6-18 HybridCare™ Dryer with Heat Pump Technology
n
For Service Technician Use Only
T LBU
P8-4
Figure 1 - Door Open
BU
T
Figure 2 - Door Closed
BU
T
Figure 3 - Door Switch Connector
BU: N.O.
T: N.C.
W: COM
DOOR SWITCH
Figure 4 - Door Switch Location
DOOR SWITCH
N.C.
T
COM
W
BU
N.O.
N.O.
COM
W
N.C.
N.O.
COM
W
N.C.
W W
N