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Gas Valve Testing
Unplug connectors and test valve terminals
(its numbering is from the front terminal.)
Check across terminals #1 and #3 (Booster Coil).
Check across terminals #1 and #2 (Holding Coil).
Check across terminals #2 and #3 (Both coils in series). 1900 Ω
Check across terminals #4 and #5 (Secondary Coil).
While in Power Off, pressing the Dry Level + Power keys simultaneously will put the dryer into the System
Check mode.
System Check Mode Progress
t2 mode Function Performed Start/Pause Motor (CW) Relay On → Heater Relay On → Heater Relay Off →
Motor (CW) Relay Off (Circulation)
Cycle Count Test Mode
How to Enter:
Press Temp + Signal Keys for 3 sec during Power On
State.
Press Signal for 3 seconds (until beep)
Note: Test mode subject to change without notice
Temperature Test Diagnostic Mode
How to Enter:
Press Adjust Time Up + Down Keys for 3 sec during
Power On State.
Press Adjust Time Up and it will display the temperature
in Celsius.
Compare vent temp to drum temp to see air flow.
This can be with just power on or dryer running.
Wrinkle Prevent option provides approximately 90 minutes (20 continuous and 70 intermittent) of tumbling in
unheated air at the end of the cycle to reduce wrinkling. Press the Wrinkle Prevent button to activate or deac-
tivate this feature. The indicator light above the pad will illuminate when Wrinkle Prevent is selected. Chasing
lights appear in the display when the Wrinkle Prevent option is selected. The load is dry, and can be removed
at any time during the Wrinkle Prevent cycle.
Special Test Mode:
" t2 " will display.
Dryer continues to run after cycle completed
SUBJECT: Dryer belt slides off the pulley when
manually rotated counter-clockwise (ccw)
SYMPTOM: The dryer drum will not turn. On occa-
sions, the customer will rotate the drum counter
clockwise (CCW) to check for any remaining
550 Ω
clothes left in the dryer drum. By rotating the drum
CCW, the idler arm may shift causing the belt to
1350 Ω
slide off the pulley.
SOLUTION: To prevent the dryer belt from sliding
off the pulley, the pulley has been redesigned.
1300 Ω
The Outside Diameter has been changed from
22mm to 27mm.
New
DC81-00220A
Make sure the idler pulley & the motor pulley are in
a straight line, bend if needed
Sensor Bar Touch Data Mode
How to Enter:
Power on dryer, open door and press in door switch.
Start dryer tumbling. Press Temp + Signal for 3 sec.
Touch both sensor bars with wet cloth, sensor hit numbers
show in display.
Note: Test mode subject to change without notice
Software Version Test Mode
How to Enter:
Press Temp + Signal Keys Keys for 3 sec during Power
On State.
Temp key for 3 seconds (until beep)
Note: Test mode subject to change without notice
Press
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