Customer & Service Fault/Error Codes; Component Activation - Maytag Washer Service Manual

FOR SERVICE TECHNICIAN'S USE ONLY
Output
UI Component Test
Motor
Heater1 (Electric)/ Heat On (Gas)
Inlet Thermistor
Exhaust Thermistor
Moisture Sensor
Door Status
CCU Line Voltage 1
CCU Line Voltage 2 (Electric Only)
CCU Heater Voltage (Electric Only)
Air Flow
Drum Light
Buzzer
Myst Valve
Code Description
PF Power Failure
AF Restricted Air Flow
L2 Low Line Voltage
PAGE 6
COMPONENT ACTIVATION CHART
On/Off Details
N/A Upon activation, all LEDs are turned on. Pressing each button turns off
its LED. Pressing the ATM buttons and rotating the cycle selector knob
changes their on-screen representations from black to green. Press
and hold the lower-left ATM button to return to previous screen.
YES Status (On/Off) NOTE: Door must be closed.
If the motor does not turn on, go to TEST #3, page 12.
Status (On/Off) NOTE: Door must be closed.
YES
Attributes: Exhaust & Inlet Thermistor Reading.
When you turn on heat, the motor is turned on as well. If temp is
too high, system will automatically turn off heat.
• If the motor does not turn on, go to TEST #3, page 12.
• If no heat is detected, go to TEST #4, page 13.
N/A Status (F°, C°, and Resistance)
If inlet thermistor reading is out of range, go to TEST #4a, page 15.
N/A Status (F°, C°, and Resistance)
If exhaust thermistor reading is out of range, go to TEST #4a, page 15.
N/A Status (Open/Closed)
• Place finger over both sensor strips. If sensor status does not change,
go to TEST #5, page 18.
N/A Status (Open/Closed)
• If opening the door does not change status, go to TEST #7, page 20.
N/A Status (L1 Voltage Measurement) NOTE: Door must be closed.
When measuring L1, the motor and heater are activated.
• If L1 is absent, go to TEST #1, page 9.
N/A Status (L2 Voltage Measurement) NOTE: Door must be closed.
When measuring L2, the motor and heater are activated.
• If L2 is absent, go to TEST #1, page 9.
N/A Status (L1 + L2 Voltage Measurement) NOTE: Door must be closed.
When measuring Heater Voltage, the motor and heater are activated.
• If Heater Voltage (L1 + L2) is absent, go to TEST #1, page 9.
N/A Status (Normal/Restricted) NOTE: Door must be closed.
• If air flow does not turn on, go to TEST #4, page 13.
YES Status (On/Off)
• If drum light does not turn on, go to TEST #8, page 20.
YES Status (On/Off)
• If buzzer does not sound, go to TEST #6, page 19.
YES Status (On/Off) After being turned on, the myst valve automatically
deactivates after 30 seconds if not turned off.
• If myst valve does not turn on, go to TEST #9, page 21.
CUSTOMER FAULT/ERROR CODES
Explanation and Recommended Procedure
PF indicates that a power failure occurred while the dryer was running. Press START to resume
the cycle, or press POWER to clear the display.
Indicates low air flow that may affect dryer performance.
Confirm that airflow system is not blocked. Check lint screen, exhaust duct, exhaust fan.
• Refer to Fault/Error Code "F4E3", page 7, for recommended procedure.
L2 indicates low L2 voltage (less than 30 V) is detected at the CCU.
• Refer to Fault/Error Code "F4E4", page 7, for recommended procedure.
DO NOT REMOVE OR DESTROY