Electrical Mechanical Troubleshooting
!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.
Thermostat
Check mating surface of the High Limit Thermostat face to surface of tub enclosure. Contact area must be flat. Adjust the thermostat placement if necessary. See Technical Sheet, located behind Toe Panel for thermostat data.
Water Leaks
Installation
Check Dishwasher for proper leveling and squareness in cabinet.
Door Alignment
Check proper alignment of Door Liner to Door Gasket.
Door Gasket
Check for torn or damaged Door Gasket. Repair or replace as necessary.
Hoses
Check for loose hose clamps or hoses that leak. Tighten hose clamps or replace hoses as needed.
Spray Arms / Manifold
Check for cracks and replace as necessary.
Detergent / Rinse Aid Dispenser Seal
Check Rinse Aid Dispenser Seal for proper positioning or cracking. Reposition or replace as needed.
Water Valve
Check Water Valve body for damage and leaks. Replace if necessary. Also, check plumbing connections to Water Valve.
Wash Motor Assembly
Check for water leak between Pump Assembly and tub.
Drain Pump Assembly
Check Pump Assembly Housing for cracks. Check Drain Pump "O" ring for leaks.
Noise
Banging
Check for loose Spray Arms. Check for dishes interfering with Spray Arm rotation. See loading information in the User's Guide at the end of this manual.
Hammering/Chattering
Check Water Valve for, noise, low voltage, or high valve coil resistance. Replace Water Valve if needed. Also, check incoming water supply line for proper size and pressure. Make sure the supply line is secured.
Grinding
Check for objects in Pump Assembly. If objects are found, inspect Pump Assembly for damage. Repair as needed.
Vibration
Check components for source of vibration. Adjust and/or tighten as needed.
Will Not Start Or Program
Control Board
Check incoming voltage to Control Board.
Membrane Switch
Check for proper operation of Membrane Switch. See membrane readings on the Technical Sheet located behind toe panel.
NOTE: Make sure the pin connectors are making proper contact with pins on the Control Board. If the voltage is correct into the Control Board, and the board will not activate, replace board.
Will Not Fill
Water Valve
Check Water Valve circuit. See Technical Sheet for water valve data located behind toe panel.
NOTE: Make sure the pin connectors are making proper contact with pins on the Control Board.
| 16021814 Rev. 0 | ©2002 Maytag Appliance Sales Company |
