Whirlpool MVWC400XW Technical Education page 80

TROUBLESHOOTING GUIDE (continued)
FOR SERVICE TECHNICIANS ONLY
4. Remove console to access main control.
5. Check hose connection between the
pressure transducer on the main control
and the pressure dome attached to the
tub.
6. Check to ensure hose is routed correctly
in the lower cabinet and not pinched or
crimped by the back panel.
7. Verify there is no water, suds, or debris in
the hose or dome. Disconnect hose from
main control and blow into hose to clear
water, suds, or debris.
8. Check hose for leaks. Replace if needed.
9. If the preceding steps did not correct the
problem, replace main control and calibrate
washer. Perform Automatic Test to verify
repair.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before
operating.
Failure to do so can result in death or
electrical shock.
TEST #7: Drain Pump
Perform the following checks if washer does
not drain.
NOTE: Refer to Figure 6, "Drain Pump Strip
Circuit" for tests and measurements.
IMPORTANT: Drain water from tub before
accessing bottom of washer.
1. Check for obstructions in the usual areas.
Clean and then perform step 2.
2. Check the drain pump and electrical
connections by performing the Drain Test
under Manual Test Mode.
The following steps assume that this step was
unsuccessful.
3. Unplug washer or disconnect power.
4. Remove console to access main control.
5. Visually check that the J16 connector is
inserted all the way into the main control.
If visual check passes, go to step 6.
If connector is not inserted properly,
reconnect J16 and repeat step 2.
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