Door Lock - Whirlpool CHW9050 Service Manual

FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
BASIC OPERATION OF COMMERCIAL
CHW8990 FRONT LOAD WASHER
For additional information, see
I
www.WhirlpoolCommercialLaundry.com

DOOR LOCK

Prior to beginning a cycle, there is a door
lock routine of lock/unlock/relock; then cycle
begins. The door will remain locked until the
end of a cycle or approximately 2 minutes
after a power interruption.
NOTE: If power is interrupted prior to 2
minutes of operation the automatic door
IMPORTANT
unlocking mechanism may fail, and door will
Electrostatic Discharge (ESD)
remain locked until the power is restored or
Sensitive Electronics
the lock is manually opened by pulling down
ESD problems are present everywhere. ESD may damage
or weaken the electronic control assembly. The new control
on the manual release tab. (See page 4-16)
assembly may appear to work well after repair is finished,
but failure may occur at a later date due to ESD stress.
PRICING
Use an anti-static wrist strap. Connect wrist strap to green
I
ground connection point or unpainted metal in the appliance.
After the door is opened following the
completion of a cycle, the display indicates the
Touch your finger repeatedly to a green ground connection point
cycle price (unless set for free operation). As
or unpainted metal in the appliance.
Before removing the part from its package, touch the anti-
coins are dropped or debit inputs arrive, the
I
static bag to a green ground connection point or unpainted
display will change to lead the user through
metal in the appliance.
the initiation of a cycle.
Avoid touching electronic parts or terminal contacts; handle
I
electronic control assembly by edges only.
When repackaging failed electronic control assembly in anti-
FREE CYCLES
I
static bag, observe above instructions.
This is established by setting the cycle price to
zero. When this happens, 'SELECT CYCLE'
will be displayed rather than a cycle price.
GENERAL USER INFORMATION
Scrolling 'out of order' message, followed by a failure
or diagnostic code, showing in display
DEBIT CARD READY
This condition indicates the washer is inoperative.
This washer is debit card 'cable' ready. It
'0 Minutes' showing in display
will accept a variety of debit card systems,
This condition indicates the washer cannot be operated. Coins
but does NOT come with a debit card reader.
dropped or debit inputs during this condition will be stored in escrow
Refer to the debit card reader manufacturer for
but cannot be used until normal operation is restored by opening
and closing the door. If a door switch has failed, it must be replaced
proper washer set-up. In models converted to
before normal operation can be restored.
a Generation 1 debit card system, debit pulses
Cold Start (initial first use)
represent the equivalent of 1 coin (Coin 1).
Washer is programmed at the factory as follows:
11 minute wash period
I
NOTE: Requires a 60" communication Cable
3 rinses (extra rinse not enabled)
I
to connect UIC to Card Reader mounted in a
$1.75 wash price
I
metercase. Request this cable from the Card
Warm Start (after power failure)
Reader supplier.
A few seconds after power is restored, if a cycle was in progress
at the time of the power failure, 'RESELECT CYCLE' will flash
in the display, indicating the need for a key press to restart
the washer.
-OR-
Door Lock
The door will be locked when the cycle starts. The door will remain
locked until the end of a cycle or approximately 2 minutes after a
power interruption.
Pricing
DISPLAY
After the door is opened following the completion of a cycle,
After the washer has been installed and
the display indicates the cycle price (unless set for free operation).
plugged in, the display will show '0 MINUTES'.
As coins are dropped or debit inputs arrive, the display will change
to lead the user through the initiation of a cycle.
Once the washer has been plugged in and the
washer door opened and closed, the display Free Cycles
This is established by setting the cycle price to zero. When this
will show the price.
happens, 'SELECT CYCLE' will appear rather than a cycle price.
Debit Card Ready
During a cycle the display will show the
This washer is debit card 'cable' ready. It will accept a variety
approximate time remaining unless the
of debit card systems, but does NOT come with a debit card reader.
Refer to the debit card reader manufacturer for proper washer
washer is going through a "Suds Removal
set-up. In models converted to a Generation 1 debit card system,
Routine." During the routine the display will
debit pulses represent the equivalent of one coin (coin 1).
alternate between the word "SudS" and the
Display
time remaining in the routine. At the end of
After the washer has been installed and plugged in, the display will
show '0 MINUTES'. Once the washer has been plugged in and the
the 5 minutes needed for this routine, the
washer door opened and closed, the display will show the vend price.
display returns to the same time displayed
In washers set for free cycles, the display will flash 'SELECT CYCLE'.
prior to entering it.
NOTE: Not displayed on washer as shown. Message scrolls
followed by the failure or diagnostic code.
PAGE 1
3-3