Maytag Pet Pro Technical Manual page 21

FAULTS AND ERROR CODES
Faults marked with "‡" will stop the cycle execution. If no action is taken within 5-10 minutes, the display will turn off.
All faults can be viewed in the 'Fault History' section of Service mode.
Code Description
Lid Lock Will Not Unlock
F5E3
Lid Lock Will Not Lock
Lid Not Opened Between
F5E4
Cycles
‡
Communication Error: HMI
F6E1
Cannot Hear ACU
‡
Tachometer missing or
F7E1
Wrong Signal
‡
Basket Engaged During
F7E3
Wash
Basket Re-engagement
F7E4
Failure
F7E6 Motor Circuit Open
Motor unable to reach target
F7E7
RPM
F8E1 Long Fill
‡
FOR SERVICE TECHNICIAN'S USE ONLY
Fault is displayed when one of the following conditions occurs:
dz Excessive force on lid is preventing lock bolt from retracting.
‡ dz Wash media buildup is preventing lock bolt from retracting.
dz Main control cannot determine if lid lock is in an unlocked state.
dz See TEST #8: Lid Lock.
Fault is displayed when one of the following conditions occurs:
‡ dz Check lid lock for obstructions.
dz See TEST #8: Lid Lock.
Fault is displayed when one of the following conditions occurs:
dz User presses START with lid open.
dz User presses START after a predetermined number of consecutive washer cycles without opening lid.
dz The main control cannot detect the lid switch opening and closing properly.
dz See TEST #8: Lid Lock.
Fault is displayed when communication between the HMI and the ACU has not been detected.
dz Check continuity in the HMI harness.
dz Complete TEST #1: Main Control (ACU)
Fault is stored when the ACU cannot read the speed or power from the tachometer.
dz Check connections to the ACU.
dz Complete TEST #1: Main Control
dz Complete Sensor Feedback Motor Speed Tachometer test.
Fault is stored when the main control determines the shifter is not engaging the basket for spin or disengaging
it for wash.
dz Check shifter connectors.
dz Check for clothing or another item wedged between the impeller and the basket that could bind them together.
dz Check that the shifter slider moves freely.
dz See TEST #3a: Drive System –
Fault is stored when main control detects one or more of the motor lines is open.
dz Check motor circuit.
dz See TEST #1: Main Control
Fault is stored when motor cannot reach the target RPM.
dz Check basket for obstructions.
dz See TEST #1: Main Control
Fault is displayed when the water level does not change for a period of time OR water is present but the control
does not detect the water level changing.
dz Is water supply connected and turned on?
dz Are hose screens plugged?
dz Is water siphoning out of the drain hose?
dz Check for proper drain hose installation.
dz Low water pressure; fill times longer than 10 minutes.
dz Is the pressure hose connection from the tub to the main control pinched, kinked, plugged, or leaking air?
dz See TEST #2: Valves
Explanation and Recommended Procedure
and TEST: #4
(ACU).
Shifter.
(ACU), TEST #3: Drive System
(ACU), TEST #3b: Drive System –
and TEST #6: Water Level.
HMI.
or TEST #3b: Drive System –
Motor.
Motor.
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