Diagnosis & Troubleshooting; Diagnostic Guide - Maytag MLE22PD Service Manual

DiaGnOSiS & TrOuBleSHOOTinG

DiaGnOSTiC GuiDe

Before servicing, check the following:
n Make sure there is power at the wall outlet.
n Verify that both hot and cold water faucets
are open and water supply hoses are
unobstructed.
n Check all connections before replacing
components. Look for broken or loose
wires, failed terminals, or wires not pressed
into or onto connections far enough.
n A potential cause of a control not functioning
is corrosion on connections. Observe
connections and check for continuity with an
ohmmeter.
n Connectors: Inspect top of connector.
Check for broken or loose wires. Check for
wires not pressed into connector far enough
to engage metal barbs.
n Resistance checks must be made with
power cord unplugged from outlet, and with
component connectors disconnected.
Failure DiSplaYS
Active dryer diagnostic codes are shown on
the upper portion of the display and active
washer diagnostic codes are shown on the
bottom portion of the display.
FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
FAILURE DISPLAYS
DiaGnOSTiC CODeS -
Active dryer diagnostic codes are shown on the upper portion of
the display and active washer diagnostic codes are shown on the
bottom portion of the display.
If the setup mode is entered and one of the
DRYER DIAGNOSTIC CODES
following errors has previously occurred, the
If the set-up mode is entered and one of the following errors
appropriate diagnostic code will be in the
has previously occurred, the appropriate diagnostic code will
be in the display on the upper portion of the screen.
display on the upper portion of the screen.
ACCU
TRAC DRYER
®
INDICATION DISPLAY EXPLANATION
d 5 d 5
COIN 1 ERROR
Blocked coin 1 or coin drop UI control circuit failure
(coin recognition and customer display disabled while
blockage persists).
d 9 d 9
LOW VOLTAGE DETECTION ERROR
Voltage detected below 90 VAC for 8 seconds.
d 13 d 13
COIN 2 ERROR
Blocked coin 2 or coin drop UI control circuit failure
(coin recognition and customer display disabled
while blockage persists).
d 16 d 16
GENERATION 2 DEBIT CARD
READER ERROR
Not receiving communications from installed debit
card reader in Enhanced (Generation 2) Debit mode.
d 4 F 01
DRYER MOTOR CONTROL
CIRCUIT ERROR
Dryer motor control circuit error (cycles and price
display disabled until diagnostic code is manually
cleared). The control doesn't know if the motor relay
is bad (stuck on), the motor relay drive circuit is bad
(shorted), causing the motor relay to stay on, or the
motor relay feedback circuit is bad.
d 2 F 22
EXHAUST THERMISTOR OPEN ERROR
Exhaust thermistor open, temperature drops
below –8°C (18°F) (>50 kΩ) for 1 minute in Run
mode, or immediately in Factory Diagnostic Mode.
d 3 F 23
EXHAUST THERMISTOR
SHORTED ERROR
Exhaust thermistor shorted, temperature above
120°C (250°F) (<500 Ω) for 1 minute in Run mode,
or immediately in Factory Diagnostic Mode.
d 22 F 70
COMMUNICATION FAILURE
FROM DRYER CCU TO UIC
UIC is not receiving communications from CCU
(cycles and price display disabled while error
persists or is manually cleared).
d 23 F 71
COMMUNICATION FAILURE
FROM UIC TO DRYER CCU
CCU is not receiving communications from UIC
(cycles and price display disabled while error persists
or is manually cleared).
6-1
DrYer
ACC
TRAC
INDICAT
d 8
d 8
WAS
If the s
has pr
be in t
ACC
TRAC
INDICAT
d 6
d 1
d 2
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