Test #11: Supply Connections-U.s - Whirlpool WFC8090GX Service Manual

WARNING
If valves are actuating, but nothing is being
dispensed, remove the bulk dispenser
assembly and check if hoses are kinked
or clogged.
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
TEST #11: Supply Connections
Failure to do so can result in death or
electrical shock.
This test assumes that proper voltage is present
at the outlet, and a visual inspection indicates
that the power cord is securely fastened to the
terminal block.
TEST #11: Supply Connections—U.S.
This test assumes that proper voltage is present at the outlet,
U.S. Installations:
and a visual inspection indicates that the power cord is
securely fastened to the terminal block.
1. Unplug washer/dryer or disconnect power.
U.S. Installations:
2. Remove the terminal block cover from the
1. Unplug washer/dryer or disconnect power.
back of the washer/dryer. See figure 9. 2. Remove the terminal block cover from the back of the
washer/dryer. See figure 1.
Figure 1 - Remove the cover plate.
Figure 9 - Remove the cover plate.
3. With an ohmmeter, check for continuity between the
neutral (N) terminal of the plug and the center contact on
3. With an ohmmeter, check for continuity
the terminal block. See figure 2.
between the neutral (N) terminal of the plug
¾ If there is no continuity, replace the power cord and
test the washer/dryer.
and the center contact on the terminal block.
¾ If there is continuity, go to step 4.
See figure 10a, page 17.
4. In a similar way, check which terminal of the plug is
connected to the top contact on the terminal block and
If there is no continuity, replace the power
make a note of it. This will be L1 in the wiring diagram.
Follow the same procedure for L2. See figure 2.
cord and test the washer/dryer.
¾ When this is found, go to step 5.
If there is continuity, go to step 4.
¾ If neither of the plug terminals have continuity with the
top contact of the terminal block, replace the power
4. In a similar way, check which terminal
cord and retest washer/dryer.
of the plug is connected to the top contact
on the terminal block and make a note of it.
This will be L1 in the wiring diagram. Follow
For Service Technician Use Only
Power Cord
Plug
Figure 10a - Plug-to-terminal connections
Figure 2 - Plug-to-terminal connections for electric dryer.
for electric dryer.
5. Gently lay washer/dryer on its right side to access the
ACU. Remove AC shield and ACU cover. Access the
machine electronics without disconnecting any wiring to
5. Access the machine electronics without
the ACU.
disconnecting any wiring to the ACU.
6. Check for continuity between the L2 terminal of the plug
and J1 on the ACU.
6. Check for continuity between the L2
¾ If there is continuity, go to step 7.
¾ If there is no continuity, and the mechanical
terminal of the plug and J1 on the ACU.
connections of the wire are secure, check for continuity
at the IF – RFI. If there is no continuity, replace the
If there is continuity, go to step 7.
harness between the ACU and the IF – RFI and the IF –
RFI itself.
If there is no continuity, and the mechanical
7. Visually check that ALL connectors are fully inserted into
connections of the wire are secure, check
the ACU.
8. Visually check that ALL connectors are fully inserted into
for continuity at the IF – RFI. If there is no
the HMI.
continuity, replace the harness between the
9. Reassemble all parts and panels.
10. Plug in washer/dryer or reconnect power. ACU and the IF – RFI and the IF – RFI itself.
11. Perform the Service Diagnostic Mode Tests on page 2-3 to
7. Visually check that ALL connectors are
verify repair.
fully inserted into the ACU.
Continue to next page for Canadian Installations . . .
8. Visually check that ALL connectors are
fully inserted into the HMI.
9. Reassemble all parts and panels.
10. Plug in washer/dryer or reconnect power.
11. Perform the Service Diagnostic Mode
Tests on page 5 to verify repair.
Canadian Installations:
1. Unplug washer/dryer or disconnect power.
2. Access the machine electronics without
disconnecting any wiring to the ACU.
3. With an ohmmeter, check the continuity
from L1 and L2 plug terminals of the power
cord to the terminals for L1 and L2 on the
ACU. See figure 10b.
Whirlpool Smart All-In-One Washer & Dryer
COMPONENT TESTING
FOR SERVICE TECHNIC
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