FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
PAGE 11
DISPLAY
Step
INDICATION
Control
Actuators
Action
to be Checked
1
COLORS
Door locks, drum
n
Door lock system
turns 1/2 revolution,
n
Child safety routine
then door unlocks
n
Motor control (MCU)*
and relocks.
2
PREWASH
Accelerometer tests
n
Accelerometer
Note:
“Prewash” flashes are performed.
on the display and is
very easy to miss.
3
CCU
Fill by both cold water
n
Cold water inlet valves
EEPROM Version
inlet valves (1 gal. [4 L])
n
#2 and #3
(EC xx)
into BLEACH
n
Pressure sensor:
PERM PRESS
compartment.
n
Suds Level
4
CCU
Fill by hot water inlet
n
Hot water inlet
Software Version
valve to Wash Level
n
valve #1
(SC xx)
into MAIN WASH
n
Pressure sensor:
COTTONS
compartment.
n
Wash Level
5
MCU
Software Version
(Sn xx)
Drum executes
COLORS
tumbling at
n
Motor
6
MCU
wash speed
n
Motor control (MCU)*
Hardware Version
(30 sec).
(Hn xx)
PERM PRESS
7
UIC
Drain pump is ON.
n
Drain pump
EEPROM Version
n
Pressure sensor**
(EU xx)
COTTONS
8
UIC
Drum rotates
n
Motor
Software Version
counter-clockwise
n
Motor control (MCU)*
(SU xx)
and ramps up.
n
Drain pump on
COLORS
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.
9
PERM PRESS
This Step is only
n
Door unlock
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 QUICK OVERVIEW TEST
n
This cycle consists of 9 steps. In each step, the washer will
perform a Control Action as described in the table below. Once
the action is completed, the washer will move to the next step.
n
Each step can be differentiated from the others by looking at the
display indication. Steps can be advanced if the test requires it.
n
To move to the next step before a control action is complete,
press any key pad
except
the lower right (COLD) button.
n
To exit the Quick Overview Test at any time, press the lower
right (COLD) button.
WASHER MANUAL OVERVIEW TEST
Before replacing any system components, perform this
Manual Overview Test.
n
This cycle consists of 8 steps. In each step, the washer will
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.
n
Each step can be differentiated from the others by looking at the
display indication.
n
To move to the next step before a control action is complete,
press any key pad
except
the lower right (COLD) button.
n
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
right (COLD) button.
Exit
Step DISPLAY Condition
Control
To be
Action
Checked
1
COLORS
On
Door locks, drum
n
Door lock system
completion turns 1/2 revolution,
n
Child safety routine
only
then door unlocks
and relocks.
2 PREWASH
On
Accelerometer tests
n
Accelerometer
completion are performed.
only
3
PERM
On
Filling with both
n
Both Cold Inlet
PRESS
key press cold inlet valves.
n
Valves #2 and #3
or if overfill
n
Overfill level
level is
detected
4
COTTONS
On key
Drum executes
n
Motor
press or reversing movement
n
Motor Control (MCU)*
completion at wash speed
(10 min.).
5 COLORS
On key
Drain pump is on
n
Drain Pump
press or (4 min.).
completion
6
PERM
On
Drain pump is on
n
Drain Pump
PRESS
completion (reach Suds Level
only
plus 10 sec.).
7
COTTONS
On key
Drum rotates counter-
n
Motor
press or clockwise and ramps
n
Motor Control (MCU)*
completion up to maximum speed.
8
COLORS On key press Stop motor to 0 rpm.
n
Motor
only after Door unlocks.
n
Motor Control (MCU)*
rpm = 0 and
n
Door lock system
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.
** The washer will drain until pressure sensor reaches lowest level
for 10 seconds, then moves to next step.
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.
