Quick Overview Test - Whirlpool CHW9050 Service Manual

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 cycle will advance to the next
step.
n Each step can be differentiated from the others by looking at the display indication. Each step
has a different message displayed.
n To advance to the next step before the control action is completed, press any button except
COLD.
n To exit from the Quick Overview Test, press the COLD button.
Step Display Indication
1 Delicates
2 CCU EEPROM Version
& Knits
3 CCU Software Version
Woolens
4 MCU Software Version
Whites
5 MCU Hardware Version
Brights
6 UIC EEPROM Version
Colors
7 UIC Software Version
Permanent Press
8 Delicates
The drain pump may be running in any of the last 3 steps, depending on the water level in the washer and
position of the pressure switch.
*The washer will drain until pressure switch reaches lowest level for 10 seconds, then moves to next step.

QUICk OVERVIEW TEST

Control Action
Door locks, basket turns 1/2 revolution,
then door unlocks and relocks.
Fill by both cold water inlet valves
(4 liters) into BLEACH compartment
Fill by hot water inlet valve to Wash
Level into MAIN WASH compartment.
Basket executes tumbling at wash
speed (30 seconds).
Basket executes tumbling at wash
speed (30 seconds).
Drain pump is ON.
Basket rotates counter-clockwise
and ramps up. Performs unbalance
procedure before and after spinning.
If not interrupted, the basket will slow
and stop; after reaching 0 rpm, the door
unlocks and Step 8 will be skipped.
This step is only apparent if Step 7 is
MANUALLY ADVANCED prior to the
basket reaching 0 rpm (washer pumps
out if needed). Door unlocks (washer
returns to flashing mode).
6-8
Actuators to be checked
n Door lock system
n Child safety routine
n Motor control (MCU)
n Cold water inlet valves #1
and #2
n Pressure switch: Suds Level
n Hot water inlet valve
n Pressure Switch:
Wash Level
n Motor
n Motor control (MCU)
n Motor
n Motor control (MCU)
n Drain pump
n Pressure switch*
n Motor
n Motor control (MCU)
n Drain pump on
n Drain pump
(if water is present)
n Door unlock