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4-16 16021814 Rev. 0 ©2002 Maytag Appliance Sales Company
Section 4. Electrical-Mechanical
Troubleshooting
Will Not Fill
Water Access Valve
Check to determine if the valve is turned on and water is
available to the Dishwasher. Check water pressure.
Circuit Breaker/Fuse
Check for tripped breaker or blown fuse. Reset or replace
as necessary.
Door Latch
Check door switches for continuity. With door switches
engaged, no continuity, replace switch.
Float
Check float position. If in the up position, check for
obstruction or disengagement from the Float Switch Arm.
Float Switch
If the float is in the down position, check the switch for
continuity. If no continuity, replace the Float Switch.
Water Valve
Check Solenoid for continuity. No continuity, replace
Water Valve. Check Inlet Screen for restrictions. Clean
screen or replace Water Valve as necessary. (See section
5).
Wiring/Electrical Connections
Check for loose or frayed wire terminal connections.
Check for broken wire within harness. Repair or replace
as necessary.
NOTE: Low water pressure can result in failure of the
Water Valve to close properly.
Float
Ensure that the Float isn't stuck in the down position.
Check for sediment buildup. Clean and/or replace as
necessary.
Float Switch Actuator Lever
Check the actuator lever on the bracket. It must be able
to move freely. Repair or replace as necessary. (See
section 5).
Float Switch
Check Float Switch for continuity with the Float in the up
position. If continuity is present and Float moves up and
down freely, replace Float Switch.
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit and discharge
capacitor through a 10,000 ohm resistor before attempting to service, unless test procedures require power to be
connected. Ensure all ground wires are connected before certifying unit as repaired and/or operational.
CAUTION
!
Units covered in this manual are polarized. Reversing polarity of a unit or any of its components will cause
damage. To avoid reversing polarity, any wires disconnected or removed during service must be reconnected to the
same location. To ensure wires are reconnected to the proper location, tag or otherwise mark the wires before
disconnecting or removing.
POOR WATER CIRCULATION
Water Level - Too Low
Normal water fill should be at level depicted by arrows.
Pump Assembly
Check assembly for obstructions or restricted movement
of parts. Repair and/or replace parts as necessary.
Overflows
Water Valve
Check that water continues to flow when electrical power
is turned off. If the water continues to flow without
electrical power, replace Water Valve.