Frigidaire FRFW3700LW Tech Data Sheet page 4

Test
Test 1:
1. Is the incoming water flow normal?
2. Are the incoming water faucets turned
3. Is the incoming water pressure above (30) psi.
4. Does the fill water continue enter the washer?
5. Remove power from the washer. Did the water fill stop?
6. Good models, check the pressure switch.
7. Better models, replace the pressure sensor.
8. Replace the control board.
Test 2:
1. Is the washer leaking water?
2. Is there an air leak in the air bell system?
3. Good models, check the pressure switch.
4. Better models, replace the pressure sensor.
5. Replace the 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 control board.
Check
Test
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.
Pressure switch checks good.
Go to step (8).
Pressure switch checks bad. Replace
pressure switch.
If this did not correct the problem, go to
step 8.
Yes. Correct water leak.
No. Go to step (2)
Yes. Correct the air leak problem.
No. Go to step (3-4)
Defective. Replace the pressure switch.
Good. Go to step (5)
If this did not correct the problem, go to
step 5.
Restriction. Correct problem.
No restriction. Go to step (2).
Zero. Replace the control board.
120 VAC. Remove the pump and check for
blockage. If blocked, remove the restriction,
if not, replace the pump.
Defective wiring. Correct wiring.
Good wiring. Replace the pressure sensor.
If this does not correct the problem, replace
the control board.
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