Diagnostic Test - Maytag MFW 9700S Technical Education

DIAGNOSTIC TEST

The washer must be empty and the control
must be in the OFF state before pressing the
touchpad sequence to start the test.
Starting the Test Mode
• Close the door.
• Push CONTROL/ON (if present on this
model).
• Select the DRAIN/SPIN cycle.
• Select NO SPIN by pressing the SPIN
SPEED touchpad.
Indication
C:00 Door locks.
Fill by cold water inlet valve.
C:01
C:02 Distribution system is set to Prewash position.
C:03 Fill by hot water inlet valve.
C:04 Drum rotates clockwise at wash speed.
C:05 Heater (if present on this model) is switched ON.
Drum rotates clockwise at wash speed.
If there is not enough water in the tub, the water inlet
valve will be switched ON to achieve the minimum
water volume.
C:06 Drain pump is ON.
Drum rotates counterclockwise from 35 to 90 rpm
C:07
within 15 seconds.
C:08 Drum rotates counterclockwise at maximum speed.
- If max. speed =EXTRA HIGH, drum speed =
>1000 rpm.
- If max. speed =HIGH, drum speed = >800
rpm.
Control Action
6-8
• Push PREWASH OPTION four times
within five seconds. (If PREWASH
OPTION is not present on this model,
press RINSE HOLD four times within five
seconds.) C:00 will light up on the display.
If the Starting procedure fails, push the
PAUSE/CANCEL touchpad, then repeat the
starting procedure.
Test Program Control
In order to advance to the next step of the
test procedure, push PREWASH OPTION
touchpad two times. If PREWASH OPTION
is not present on this model, press RINSE
HOLD two times.
Actuators To Be Checked
• Door lock system
• Flowmeter
• Cold water inlet valve
• Dispenser motor
• Dispenser contact
• Hot water inlet valve
• Motor
• Motor Control (MCU)
• Heater (if present on this model)
• NTC
• Drain pump
• Motor
• Motor Control (MCU)
• Motor
• Motor Control (MCU)