Troubleshooting Tests - Electrolux 427 series Manual

Test Check/Test Activity Steps
Number
Test 1 1. Is the incoming water flow normal?
2. Are the incoming water faucets turned on?
3. Is the incoming water pressure above 20 psi?
4. Does the fill water continue to enter the washer?
5. Remove power from the washer. Did the water fill stop?
6. Replace the pressure sensor.
7. Replace the main control board.
Test 2 1. Is the washer leaking water?
2. Is there an air leak in the pressure sensor system?
3. Replace the pressure sensor.
4. Replace the main control board.
Test 3 1. Check the drain hose for restrictions.
2. Start the washer and check for 120 VAC at the drain pump.
Test 4 Inspect the wiring between the pressure sensor and the main
control board.
Test 5 1. Is the water level above 4.5 inches?
2. Does water enter the washer continuously?
3. Remove power from washer. Does the water stop coming in?
4. Replace the pressure sensor switch. Did this correct the
problem?
Test 6 1. Is the loading door closed?
2. Can you hear the lock attempt to close?
3. Check wire connection between door lock and main control
board.

Troubleshooting Tests

Correction
Yes, go to step (4).
No, go to step (2).
No, turn water faucets on.
Yes, go to step (3).
No, have customer correct pressure problem.
Yes, check for kinked or blocked incoming water hoses, clean the incoming water
screens. If problem still remains, replace the water inlet valve assembly.
Yes - Go to step (5)
No - Go to step (6)
Yes - Go to step (6)
No - Replace the inlet valve assembly. If pressure switch checks good, go to step
(7). If pressure switch checks bad, replace pressure switch.
If this did not correct the problem, go to step 7.
Yes, correct water leak.
No, go to step (2).
Yes, correct the air leak problem.
No, go to step (3).
If this did not correct the problem, go to step (4).
If there is a restriction, correct the problem.
No restriction, go to step (2).
If reading zero, check the wiring. If wiring good, replace the main control board.
If reading 120 VAC, remove the pump and check for blockage. If blocked, remove
the restriction, if not, replace the pump.
If wiring defective, correct wiring.
If wiring OK, replace pressure sensor. If this does not correct the problem, replace
the main control board.
Yes, go to step (2).
No, go to step (4).
Yes, go to step (3).
No, check air trap for clog, if not replace the main control board.
No, replace water valve assembly.
Yes, check wiring to valve assembly for shorts. If wiring is good, replace the main
control board.
Yes, problem solved.
No, close the door.
Yes, go the step (2).
Yes, check the door strike. If good, replace the door
No, go the step (3)
If good, replace the door lock. Then if problem is not fixed, replace the main
control board.
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