4-6
To test an inverter,
1. Unplug washer or disconnect power.
2. Wait 10 minutes before attempting any
further steps.
3. Remove the back panel (See page 3-46)
4. Make sure to use a DC volt meter for the
following test because an AC volt meter will
register zero and there could be too much
voltage present.
NOTE: First, test meter at another source
to make sure the meter can measure DC
voltage.
INVERTER TESTING
MXR models use Mitsubishi inverters and
have 208-240VAC supplied from the contactor
when a washer cycle is started or running.
The contactor is connected to terminals “L1” &
“L2” of the inverter.
DANGER
Electrical Shock Hazard
Only authorized technicians should
perform diagnostic voltage
measurements.
After performing voltage
measurements, disconnect power
before servicing.
Failure to follow these instructions
can result in death or electrical
shock.
WARNING
Electrical Shock Hazard
WARNING
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before
operating.
Voltage Measurement Safety Information
When performing live voltage measurements, you must do the following:
< Verify the controls are in the off position so that the appliance does not start when energized.
< Allow enough space to perform the voltage measurements without obstructions.
< Keep other people a safe distance away from the appliance to prevent potential injury.
< Always use the proper testing equipment.
< After voltage measurements, always disconnect power before servicing.
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