Display Fault Codes; Troubleshooting Guide - Kenmore W10035270 Tech Manual

TECH SHEET - DO NOT DISCARD

DISPLAY FAULT CODES

The fault codes below would be indicated when attempting to start a
drying cycle or after activating the diagnostic test mode.
DISPLAY DESCRIPTION EXPLANATION / RECOMMENDED PROCEDURE
PF flashes to indicate that a power failure
Power occurred while the dryer was running. Press
PF
Failure START to continue the cycle, or press STOP to
clear the display.
AF flashes if a restricted airflow condition exists.
Restricted
Check to make sure the lint screen is clean, the
Airflow
AF
door seal is in place and the vent is not
Condition
obstructed.
F-01 flashes when there is a primary control
Primary
failure. Replace the machine control electronics.
Control
F-01
See Accessing & Removing the Electronic
Failure
Assemblies, page 11.
F-02 flashes when there is a stuck button or user
Keypad/
interface mismatch. This fault code will ONLY
F-02 User Interface
appear when in the diagnostic test mode. See
Failure
TEST #6, page 10.
Exhaust
F-22 flashes if the exhaust thermistor is open.
Thermistor
F-22
See TEST #4a, page 9.
Open
Exhaust
F-23 flashes if the exhaust thermistor has
F-23 Thermistor
shorted. See TEST #4a, page 9.
Shorted
Inlet
F-24 flashes if the inlet thermistor is open.
F-24 Thermistor This fault code will ONLY appear when in the
Open diagnostic test mode. See TEST #4a, page 9.
Inlet F-25 flashes if the inlet thermistor is shorted.
F-25 Thermistor This fault code will ONLY appear when in the
Shorted
diagnostic test mode. See TEST #4a, page 9.
Motor Drive F-26 flashes if there is a motor drive system
F-26
System Failure failure. See TEST #3a, page 7.
F-28 flashes if the moisture sensor strip is open.
Moisture
F-28 This fault code will ONLY appear when in the
Sensor Open
diagnostic test mode. See TEST #5, page 10.
Moisture F-29 flashes if the moisture sensor strip has
F-29 Sensor shorted. This fault code will ONLY appear when in
Shorted the diagnostic test mode. See TEST #5, page 10.
F-30 flashes if a restricted airflow condition
Restricted exists. This fault code will ONLY appear when in
F-30 Airflow the diagnostic test mode. Check to make sure the
Condition lint screen is clean, the door seal is in place and
the vent is not obstructed.
F-40 flashes if the communication between the
Communication
f-40 machine control and motor control is lost. See
Error
TEST #3b, page 8.
Blower Motor F-41 flashes when there is a blower motor failure.
f-41
Failure See TEST #3b, page 8.
F-42 flashes if the motor control detects a voltage
Undervoltage
f-42 less than 90 VAC. See TEST #1, page 6 and
Failure
DIAGNOSTIC: Displaying Line Voltage, page 2.
F-43 flashes if the motor control detects a low
Undervoltage voltage condition. The dryer will continue to run at
f-43
Warning a set blower speed. See TEST #1, page 6 and
DIAGNOSTIC: Displaying Line Voltage, page 2.
Motor Control F-44 flashes when there is a motor control
f-44
Failure electronics failure. See TEST #3b, page 8.
Motor Control F-45 flashes when there is a motor control
f-45 Speed Sensor electronics speed sensor failure. See TEST #3b,
Error
page 8.
F-46 flashes if the motor control detects an
Blower Motor
f-46 over-current or an over-torque condition. See
Error
TEST #3b, page 8.
FOR SERVICE TECHNICIAN'S USE ONLY

TROUBLESHOOTING GUIDE

Some tests will require accessing components. See figure 2, page 6 for
component locations.
PROBLEM
NOTE: Possible Cause/Tests MUST be performed
in the sequence shown for each problem.
1. Supply connections. See TEST #1, page 6.
WON'T POWER UP.
(No response when 2. Check harness connections.
buttons are pressed.)
3. User interface assembly. See TEST #6, page 10.
1. If number display flashes, check to be sure the
door is completely shut, and press and hold down
WON'T START CYCLE
START for about 1 second.
WHEN START BUTTON
IS PRESSED.
2. See TEST #3a, page 7.
3. See TEST #7, page 10.
1. Check STOP button. See TEST #6, page 10.
WON'T SHUT OFF
2. User interface assembly. See TEST #6, page 10.
WHEN EXPECTED.
3. Moisture sensor. See TEST #5, page 10.
CONTROL WON'T
User interface assembly. See TEST #6, page 10.
ACCEPT SELECTIONS.
1. Heater. See TEST #4, page 8.
WON'T HEAT.
2. Check harness connections.
3. Check installation.
HEATS IN AIR CYCLE.
Heater. See TEST #4, page 8.
1. Check the dryness setting for auto cycles.
2. Check for full lint screen.
SHUTS OFF BEFORE 3. Check for clogged vent.
CLOTHES ARE DRY.
4. Moisture sensor. See TEST #5, page 10.
5. Dryness level adjust. See Adjusting
Customer-Focused Drying Modes, page 11.
PLUGGABLE DRIVE MOTOR SWITCH
Blue Blue-White
Black-White
Red
CENTRIFUGAL SWITCH (MOTOR)
Function
Start
Run
= Contacts closed
POSSIBLE CAUSE / TEST
Green-Yellow
Red
Contacts
1M 2M 3M 5M 6M
PART NO. W10035270
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