Universal Diagnostics Test - Maytag MHWC7500YW0 Manual

FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY

UNIVERSAL DIAGNOSTICS TEST

Indication
Factory Test Display
(7-SEGMENT LED)
OFF
0 (Phase LED rolling)
8
1
2
3
4
Control Action
Door locks.
Checks the validity of the
EEPROM data.
Pump turns ON if the water
level is detected to be above
the wash level.
All display LEDs are turned on.
UI option LED will be turned
on after options are pushed.
Turns on hot inlet valve
(about 15 secs.).
Turns on bleach inlet valve
(about 15 secs.).
Turns on cold inlet valve
(about 15 secs.).
Fill by cold water inlet valve
to Level_wash
Motor reverse. Runs at normal
washing speed (about 15 secs.).
Pump turns ON to drain
the washer.
Drive motor to max. speed.
Actuators
to be Checked
I Door lock system
I Drain system
I EEPROM test
I User Interface
I Hot water inlet valve
I Cold water inlet valve
I Bleach inlet valve
I Reversing relay
I Safety relay
I Motor thermistor
I Tachometer signal
I Drain system
I Motor speed
I Tap field relay
PAGE 6
Failure Code
for Failure Mode
F13
F03, F05, F14, F21,
F23, F24, F26, F30
F21, F25
F01, F21, F23, F24
F06, F07, F21, F27
F03, F21
F06, F07, F21, F27,
F28