PAGE 7
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
Step # Action Component User Interface Response
1 User enters Service Test Mode Display shows “888” for
through Service Diagnostics. 2 seconds. All LEDs (except
for POWER) are off, and
the START button is flashing.
2 Press and release START Motor On The display will show “---” until
to begin the L2 Voltage Check. the voltage is available at the UI.
If START is pressed again or
pressed and held before L2 voltage is
available, a tone will sound 3 times.
3 L2 Voltage Check completes. Motor On If electric (Fuel = Electric):
Vrms_L2 and Fuel are published Heater(s) On The UI will report findings per the
to the UI. “Electric Dryer Results Display”
section where L2 Voltage is available,
L1 Voltage Check L1 Voltage is not available,
starts automatically. Heater Voltage is not available,
and Airflow is not available.
If gas (Fuel = Gas):
The display will continue
to show “---”.
If START is pressed again or
pressed and held before L1 voltage is
available, a tone will sound 3 times.
4 L1 voltage check completes. Motor On If electric (Fuel = Electric):
Vrms_L1 and Heater_Voltage Heater(s) On/Off The UI will report findings per the
are published to the UI. “Electric Dryer Results Display”
section where L2 Voltage is
Check for Warm Machine begins available, L1 Voltage is available,
automatically. Airflow begins Heater Voltage is available,
detection algorithm: Status_Airflow = and Airflow is not available.
3 (Detecting).
If gas (Fuel = Gas):
The UI will report findings per the
“Gas Dryer Results Display” section
where Heater Voltage is available
and Airflow is not available.
Press and hold START If a “Detecting Airflow” indicator
to jump to Step 8 and start the is present, it is displayed on
Steam Test (steam models only). the UI.
5 Check for Warm Machine completes. Motor On UI continues to display
Heater(s) On as in Step 4.
Load Mass for Airflow
begins automatically.
Press and hold START
to jump to Step 8 and start the
Steam Test (steam models only).
SERVICE TEST MODE CHART
NOTE: After step 3, press and hold the START button for 5 seconds to jump to the water system test.
Electric dryer performance is optimized for 2-phase, 240 VAC service. If complaint is made regarding electric dryer performance and the
L1 to L2 voltage is ~208 VAC, dryer may be connected to a 3-phase service with reduced wattage that will decrease dryer performance.
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