Table of Contents
Advertisement
FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
WASHER
WASHER
DISPLAY
DISPLAY
EXPLANATION AND RECOMMENDED PROCEDURE
EXPLANATION AND RECOMMENDED PROCEDURE
DOOR LOCK ERROR
DOOR LOCK ERROR
F 22
F 22
Washer will make several attempts to lock the door,
Washer will make several attempts to lock the door,
then customer will be asked to open door, clear
then customer will be asked to open door, clear
obstructions, shut door, and reselect cycle. Washer
obstructions, shut door, and reselect cycle. Washer
will attempt to lock the door again. This procedure
will attempt to lock the door again. This procedure
can repeat 2 times before customer loses vended
can repeat 2 times before customer loses vended
money and washer resets. If entire procedure happens
money and washer resets. If entire procedure happens
twice without a successful door lock, F22 will appear.
twice without a successful door lock, F22 will appear.
Possible Causes
Possible Causes
– Misaligned or broken door latch.
– Misaligned or broken door latch.
– Electrical connections from CCU (DLS2, DL3)
– Electrical connections from CCU (DLS2, DL3)
to door lock are damaged.
to door lock are damaged.
– Misaligned, broken, or overtightened door hook.
– Misaligned, broken, or overtightened door hook.
Procedure
Procedure
1. Clear error code.
1. Clear error code.
2. Unplug the washer or disconnect power.
2. Unplug the washer or disconnect power.
3. Ensure that the latch is secured to the front panel.
3. Ensure that the latch is secured to the front panel.
4. Check for misaligned, broken, cracked, or loose
4. Check for misaligned, broken, cracked, or loose
door hook.
door hook.
5. Check the electrical connections between CCU
5. Check the electrical connections between CCU
(DLS2, DL3) and latch.
(DLS2, DL3) and latch.
If the latch fails to lock after checking all of the above,
If the latch fails to lock after checking all of the above,
replace the latch.
replace the latch.
TEMPERATURE SENSOR ERROR
TEMPERATURE SENSOR ERROR
F 2 4
F 2 4
Water temperature sensor value is out of range (23°F
Water temperature sensor value is out of range (23°F
to 217°F [-5°C to 103°C])
to 217°F [-5°C to 103°C])
NOTE: To find correct Ohm reading, refer to the
NOTE: To find correct Ohm reading, refer to the
Water Temperature Sensor section, page 13.
Water Temperature Sensor section, page 13.
Possible Causes
Possible Causes
– Water temperature sensor damaged.
– Water temperature sensor damaged.
– Electrical connections from CCU (TH2)
– Electrical connections from CCU (TH2)
to temperature sensor damaged.
to temperature sensor damaged.
Procedure
Procedure
1. Clear error code.
1. Clear error code.
2. Unplug the washer or disconnect power.
2. Unplug the washer or disconnect power.
3. Perform Ohm test on Water Temperature Sensor and
3. Perform Ohm test on Water Temperature Sensor and
harness connection. This reading can be taken from
harness connection. This reading can be taken from
the cable attached to CCU terminal TH2.
the cable attached to CCU terminal TH2.
If the water temperature sensor is out of range,
If the water temperature sensor is out of range,
replace it.
replace it.
WASHER
WASHER
DISPLAY
DISPLAY
EXPLANATION AND RECOMMENDED PROCEDURE
TACHOMETER ERROR
F 2 5
F 2 5
If the MCU is unable to properly detect motor speed,
the washer shuts down. If a failure occurs during high-
speed spin, the door remains locked for 2 minutes.
Possible Causes
Procedure for damaged MCU connection
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Check for broken belt.
4. Verify that the shipping system, including shipping
5. Verify electrical connection between MCU and drive
6. Reassemble any disassembled parts.
7. Reconnect to power.
8. Check operation of drive motor in diagnostic mode;
Procedure for inverted wires on RFI
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Look for reversed polarity at RFI filter.
4. Ensure that the ground switches of the toe panel
5. Check operation of drive motor in diagnostic mode;
If, after these procedures, the drum fails to tumble,
replace the MCU. If motor operation is not restored,
replace the motor.
DOOR SWITCH ERROR
F 2 6
F 2 6
The door switch circuit is open for 5 seconds while the
door is locked.
Possible Causes
Procedure
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Verify the electrical connection between CCU and
If the door switch circuit fails to open or close, replace
the door latch.
6-3
PAGE 6
PAGE 6
EXPLANATION AND RECOMMENDED PROCEDURE
TACHOMETER ERROR
If the MCU is unable to properly detect motor speed,
the washer shuts down. If a failure occurs during high-
speed spin, the door remains locked for 2 minutes.
Possible Causes
– Damaged or poor contact in electrical connection
– Damaged or poor contact in electrical connection
from MCU to drive motor.
from MCU to drive motor.
– Inverted wires on RFI while ground switch(es) open.
– Inverted wires on RFI while ground switch(es) open.
Procedure for damaged MCU connection
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Check for broken belt.
4. Verify that the shipping system, including shipping
bolts and spacers, is removed, and that the power
bolts and spacers, is removed, and that the power
cord is not tangled in any components inside rear
cord is not tangled in any components inside rear
of washer.
of washer.
5. Verify electrical connection between MCU and drive
motor connector.
motor connector.
6. Reassemble any disassembled parts.
7. Reconnect to power.
8. Check operation of drive motor in diagnostic mode;
if drum tumbles, the MCU and motor are OK.
if drum tumbles, the MCU and motor are OK.
Procedure for inverted wires on RFI
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Look for reversed polarity at RFI filter.
4. Ensure that the ground switches of the toe panel
or rear panel are closed and working correctly.
or rear panel are closed and working correctly.
5. Check operation of drive motor in diagnostic mode;
if drum tumbles, the motor is OK.
if drum tumbles, the motor is OK.
If, after these procedures, the drum fails to tumble,
replace the MCU. If motor operation is not restored,
replace the motor.
DOOR SWITCH ERROR
The door switch circuit is open for 5 seconds while the
door is locked.
Possible Causes
– Electrical connections from CCU (DLS2) to door
– Electrical connections from CCU (DLS2) to door
switch in latch are damaged.
switch in latch are damaged.
Procedure
1. Clear error code.
2. Unplug the washer or disconnect power.
3. Verify the electrical connection between CCU and
door switch by using the Help Mode (see appropriate
door switch by using the Help Mode (see appropriate
symbols, page 12) or continuity test at CCU (DLS2)
symbols, page 12) or continuity test at CCU (DLS2)
connection.
connection.
If the door switch circuit fails to open or close, replace
the door latch.
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
