Quick Diagnostic Test - Maytag MHW9000YW0 Mode D'emploi

FOR SERVICE TECHNICIAN'S USE ONLY
• Quick Diagnostic Test – (See chart below).
Performs a quick system level test of the
washer and displays error results in a
dialog box (see Figure 6). Tests door lock
system, valves, motor, heater, sensors,
flow meter, dispenser, drain and detergent
pumps. Test stops on first error detected.
Use this test to check for errors and verify
repairs.
3 Press "OK" to begin or continue test.
3 Press the "Back" button at any time
to cancel test.
TEST
WASHER FUNCTION
PHASE
C00 † Door lock motor is actuated. Door
unlocks, and then locks again.
Pump is activated for 15 seconds.
Pressure sensor is calibrated.
Detergent pump is actuated. (To test
pump, detergent cartridge must be
installed.)
C01 * Heater is turned on.
Steam valve is actuated.
C02 † Cold water valve and active vent is
actuated. If it exists, the spray valve is
actuated for the first 5 seconds and
the dispenser valve for the remainder
of this test phase.
Dispensing system is set to the
C03
Prewash position #1.
C04 † Hot water and dispenser valves
will actuate.
C05 Drum rotates clockwise at wash speed.
C06 * Heater is turned on to heat water
to pre-set temperature level.
Drum rotates clockwise and
counter-clockwise at wash speed.
Water valve is activated to fill drum
to minimum water volume required
to wash. (If there is enough water
in the drum, the water valve will not
turn on.)
C07 Drain Pump is actuated until there is no
water in the system—plus an additional
15 seconds.
C08 Drum rotates counter-clockwise from
35 rpm > 100 rpm > 150 rpm > 100 rpm
in ~ 1-1/2 minutes.
Drum rotates counterclockwise at
maximum speed.
Door lock motor is actuated. Door
unlocks.
† C00, C02, C04 – The detergent cartridge must be inserted into the dispenser drawer before running the Quick Diagnostic Test.
* C01, C06 – This test will run until a pre-set temperature level is reached or a button is pressed. Water temperature will affect the duration
of the test.
PAGE 6

QUICK DIAGNOSTIC TEST

COMPONENT
• Door Lock System
• Drain Pump
• APS Calibration
• Level/Presence Sensor
• Detergent Pump
• Heater
• Steam Valve
• Temperature Sensor
• Cold Water Valve
• Spray Valve (select models)
• Dispenser Valve (select models)
• Flow Meter
• Active Vent
• Dispenser Motor/Linkage
• Dispensing System
• Hot Water Valve
• Dispenser Valve (select models)
• Flow Meter
• Motor
• Motor Control Unit (MCU)
• Heater
• Temperature Sensor
• Motor
• Motor Control Unit
• Cold Water Valve (if needed)
• Pressure Sensor
• Drain Pump
• Pressure Sensor
• Motor
• Motor Control Unit
• Motor
• Motor Control Unit
• Door Lock System
Figure 6 - Quick Diagnostic Test
PHASE ENDS...
on completion ONLY.
on completion or at any key
press (except "Back").
on completion or at any key
press (except "Back").
on completion ONLY.
on completion or at any key
press (except "Back").
on completion or at any key
press (except "Back").
on completion or at any key
press (except "Back").
on completion or at any key
press (except "Back").
on completion ONLY.
on completion or at press
of "Back" button.
DO NOT REMOVE OR DESTROY