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Troubleshooting (Mechanical Controls) - Maytag AAV4000AW Series Service Manual

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Troubleshooting Procedures
Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or
repair of this unit.
All safety information must be followed as provided in the Service Manual.
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing.
Mechanical Control Version.
Noisy and/or Vibration/Walking
Check for proper installation and leveling of unit.
Legs properly adjusted and locked with no damage.
Stabilizer rear legs secure and locking properly (not
jamming).
Solid and secure flooring.
Check condition of belt.
Check transmission for spin bearing noise.
Check center tub seal.
Check agitator for correct installation.
Check the suspension springs are properly installed and
lubricated.
Check for loose screws on the cabinet.
Check for damaged base.
Over Fill
Check water pressure to washer should be a 20 PSI
minimum.
If water drips into machine while off, replace valve.
Disconnect power cord. Replace Water Valve if it
continues to flow.
Check Pressure Switch for proper operation.
Check Pressure Switch air hose for leaks damage or
obstruction.
Wrong Water Temperature
Check that both faucets are turned on fully.
Make sure water heater is set to deliver a minimum of
120°F (49°C) hot water at the tap. Also check water
heater capacity and recovery rate.
Check for reversed inlet hoses at the faucet or water
valve.
With tub empty, select normal wash no ATC and
Cold/Cold temperature setting. Let washer fill and check
fill time and full tub temperature.
Select normal wash no ATC and hot water temperature
setting. Let washer fill and check fill time and full tub
temperature. For extended wait time for hot water fill,
instruct to purge water line for a hot wash.
Select normal wash no ATC and Warm/Cold water
temperature setting. Let washer fill and check fill time
and full tub temperature.
Check wiring at the Water Valve, Timer, and ATC.
Will Not Spin/Spin Speed Too Slow
Check power supply to washer is between 108V to
132V with a load on the circuit.
Check for out of balance clothes load.
Check slow spin speed is not selected.
Check condition of drive belt.
Check drain system in the home is functioning properly.
14
All manuals and user guides at all-guides.com
!
CAUTION
!
WARNING
Motor Not Running
No Water Fill
Will Not Drain
16026502
2
Check for blocked or kinked drain hose.
Check for binding Tub Seal.
Check brake is disengaging properly.
Check motor slide and spring for proper movement.
Check between tubs for something contacting spinner.
Check for proper adjustment of the Thrust Bearing.
Check for broken impeller on Drain Pump, washer
should drain all water within 90 seconds.
When washer passes all checks place a one pound
unbalance weight in washer and check for 600 RPM. If
washer fails, check brake and cam adjustments.
Replace Transmission if brake and cam adjustments
are ok.
Check power supply to washer is between 108V and
132V during a load on circuit.
Check if Lid Switch is functional. Lid must be closed
before washer will operate.
Check voltage going into, and out of timer to start and
run windings, per ladder diagram.
Check for 120 volts to start and run winding at motor
per ladder diagram.
Check for a blown motor thermal fuse.
Check for obstructions in Drain Pump.
Turn transmission pulley by hand. If locked in agitation
direction, replace transmission.
Check to make sure water supply is turned on fully.
Check electrical circuit and connections at the Water
Valve, and Pressure Switch.
Check for kinks in inlet hoses.
Check for clogged inlet screens and water valve
screens.
Check Water Valves separately for fill.
Check for low water pressure. May be dependent on
pressure entering home. Variations may occur due to
usage in the home at the time machine is used.
Check for frozen pipes and hoses.
Check hot and cold water valve voltage for 120 volts.
If washer fills and drains at the same time, check for
drain hose siphoning.
Check for restricted drain system.
In cold climates check for frozen drain hose.
Check for broken impeller on Drain Pump. Washer
should drain all water within 90 seconds.
Check motor slide and spring for proper movement.
©2005 Maytag Services

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