Washer Quick Overview Test; Washer Manual Overview Test - Whirlpool CGT9000GQ Manual

FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY

WASHER QUICK OVERVIEW TEST

This cycle consists of 9 steps. In each step, the washer will
n
perform a Control Action as described in the table below. Once
the action is completed, the washer will move to the next step.
Each step can be differentiated from the others by looking at the
n
display indication. Steps can be advanced if the test requires it.
To move to the next step before a control action is complete,
n
press any key pad except the lower right (COLD) button.
To exit the Quick Overview Test at any time, press the lower
n
right (COLD) button.
DISPLAY
Step INDICATION
1 COLORS
2 PREWASH
Note: "Prewash" flashes are performed.
on the display and is
very easy to miss.
3 CCU
EEPROM Version
(EC xx)
PERM PRESS
4 CCU
Software Version
(SC xx)
COTTONS
5 MCU
Software Version
(S n xx)
COLORS
6 MCU
Hardware Version
(H n xx)
PERM PRESS
7 UIC
EEPROM Version
(EU xx)
COTTONS
8 UIC
Software Version
(SU xx)
COLORS
9 PERM PRESS
The drain pump may be running in any of the last three steps,
depending on the water level in the washer and position of the
pressure sensor.
** In the event of an MCU-CCU communications error, the UI
display will go blank for up to 5 minutes and then display an
F28 error message.
** The washer will drain until pressure sensor reaches lowest level
for 10 seconds, then moves to next step.
Control Actuators
Action to be Checked
Door locks, drum Door lock system
n
turns 1/2 revolution, Child safety routine
n
then door unlocks Motor control (MCU)*
n
and relocks.
Accelerometer tests Accelerometer
n
Fill by both cold water Cold water inlet valves
n
inlet valves (1 gal. [4 L]) #2 and #3
n
into BLEACH Pressure sensor:
n
compartment. Suds Level
n
Fill by hot water inlet Hot water inlet
n
valve to Wash Level valve #1
n
into MAIN WASH Pressure sensor:
n
compartment. Wash Level
n
Drum executes
tumbling at Motor
n
wash speed Motor control (MCU)*
n
(30 sec).
Drain pump is ON. Drain pump
n
Pressure sensor**
n
Drum rotates Motor
n
counter-clockwise Motor control (MCU)*
n
and ramps up. Drain pump on
n
Performs unbalance
procedure before and
after spinning. If not
interrupted, the drum
will slow and stop;
after reaching 0 rpm,
the door unlocks and
Step 9 will be skipped.
This Step is only Door unlock
n
apparent if Step 8 is
MANUALLY ADVANCED
prior to the drum
reaching 0 rpm
(washer pumps out
if needed). Door
unlocks (washer
returns to flashing
mode).

WASHER MANUAL OVERVIEW TEST

Before replacing any system components, perform this
Manual Overview Test.
This cycle consists of 8 steps. In each step, the washer will
n
perform a Control Action as described in the table below. Once
the action is completed, the washer will move to the next step.
Check Exit Condition column.
Each step can be differentiated from the others by looking at the
n
display indication.
To move to the next step before a control action is complete,
n
press any key pad except the lower right (COLD) button.
When Step 8 is complete, the test runs again starting at Step 1.
n
To exit the Manual Overview Test at any time, press the lower
n
right (COLD) button.
Step DISPLAY Condition
1 COLORS
completion
2 PREWASH
completion
3 PERM
PRESS key press
or if overfill
level is
detected
4 COTTONS On key
press or
completion
5 COLORS On key
press or
completion
6 PERM
PRESS completion
7 COTTONS On key
press or
completion
8 COLORS On key press Stop motor to 0 rpm.
only after
rpm = 0 and
door is
unlocked
The drain pump may be running in any of the last three steps,
depending on the water level in the washer and position of the
pressure sensor.
** In the event of an MCU-CCU communications error, the UI
display will go blank for up to 5 minutes and then display an
F28 error message.
PAGE 11
Exit Control
Action
On Door locks, drum
turns 1/2 revolution,
only then door unlocks
and relocks.
On Accelerometer tests
are performed.
only
On Filling with both
cold inlet valves.
Drum executes
reversing movement
at wash speed
(10 min.).
Drain pump is on
(4 min.).
On Drain pump is on
(reach Suds Level
only plus 10 sec.).
Drum rotates counter-
clockwise and ramps
up to maximum speed.
Door unlocks.
To be
Checked
Door lock system
n
Child safety routine
n
Accelerometer
n
Both Cold Inlet
n
Valves #2 and #3
n
Overfill level
n
Motor
n
Motor Control (MCU)*
n
Drain Pump
n
Drain Pump
n
Motor
n
Motor Control (MCU)*
n
Motor
n
Motor Control (MCU)*
n
Door lock system
n