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Fast Track Troubleshooting
Model: WF448***/XAA
BOM Models
WF448AAW/XAA
WF448AAP/XAA
Publication # APWF448 Revision Date 5/16/2012
Quick Test Mode:
Note: This test erases all faults and memory
:
To enter press
Soil, Signal, & Power
simultaneously
with the
power off.
1. All LED’s light up and the washer beeps as it en-
ters the Quick Test Mode.
2. The unit displays the software version for a sec-
ond then clears the EEprom.
3. After the displaying the software version, LCD will
display Model information. If EEEE is displayed the
PCB ass’y is defective.
4. When the version is displayed, turn the Jog-Dial so
that the version disappears. Press the following keys
to test the various components
Press
Spin
to test Door Lock/Unlock circuit
Press
Temp
to cycle through the Water Valves circuit
test in this order: Pre-Wash, Bleach, Cold Main, Hot, &
Steam, then off.
Press
Soil Level
to test Circulation/Drain Pump.
Press
Signal
to test the Water/Steam Heater.
When either
Test or Spin
is displayed on the LCD,
press
Start/Pause
to conduct the motor test.
In
Test mode
, you can test the clockwise and coun-
terclockwise movement of the motor. However, the
water level must satisfy the heater water level (24300)
to enter Test mode.
In
Spin mode,
you can test the motor at a high rpm.
Service Mode:
This mode allows more detailed operation tests and trouble-
shooting, to enter press
Signal & Extra Rinse
simultaneously with the
power on.
In Service Mode the following tests can be performed:
Quick Spin Test:
Press
Delay Start & Silver Care
.
This accel-
erates the drum motor from 0 to max RPM over a few minutes.
Note: Stay with the washer during this test, out of balance detec-
tion is bypassed and the door may not lock
.
Press the
Start/
Pause
during the test to hold its spinning speed for 10 minutes
before going back to Quick Spin Test Mode.
Cycle Count:
Press the
Signal
to see how many times the unit
was used
Soft Ware #:
Press the
Soil
to see the software version Info.
Fast Time Down:
Press the
Temp
to advance to the next cycle
Fault Code Test:
Press the
Silver Care
to view the stored fault
codes – then turn
Jog Dial
to view error codes. Press
Start/
Pause
while the code is displayed to view the number of cycles
since the error occurred.
Peripheral (Main PCB) input Tests:
1.
Select Extra Wash. Then turn the Jog-Dial
so that the
Extra
Rinse LED
is turned on. Next, press
Start/Pause
. The Water
Temperature will be displayed in Fahrenheit.
2.
Select Extra Wash. Then turn Jog-Dial
so that the
Extra Spin
LED
is turned on. Next, press
Start/Pause
. The door status will
be displayed (OP if open, CL if closed).
3.
Select Extra Wash. Then turn the Jog-Dial
so that the
Delay
Start LED
is turned on. Next, press the
Start/Pause
. The door
lock Switch status will be displayed (UL if unlocked, Lo if
locked).
4.
Select Extra Wash. Then turn the Jog-Dial
so that the
Pre
Wash LED
is turned on. Next, press the
Start/Pause
. The Wa-
ter Frequency will be displayed.
5.
Select Extra Wash. Then turn the Jog-Dial
so that
My Cycle
LED
is turned on. Next, press
Start/Pause
. The AG Kit status
will be displayed after 3 seconds. (“
ㅂ
E” if the AG kit is abnor-
mal. “—” if the AG Kit is working properly)
IMPORTANT SAFETY NOTICE
–
“For Technicians Only”
This service data sheet is
intended for use by persons having electrical, electronic, and mechanical experience
and knowledge at a level generally considered acceptable in the appliance repair trade.
Any attempt to repair a major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible, nor assume any liability for
injury or damage of any kind arising from the use of this data sheet.
Please Note:
There are
three Versions of this
model, verify you are order-
ing the correct parts for the
Version you are servicing.
EEPROM Clear Check
Power off, Press Delay Start, Signal and Power Key at
the same time. Good = Good Fail = FAiL
All memory will be cleared, including Fault Codes
This should be done when a new Main PCB is installed
Caution: Retrieve error codes from “
Service Mode
” BEFORE entering “
Quick Test Mode
”