Whirlpool WED9500E SERIES Service Manual page 31

4. With an ohmmeter, check the continuity
COM
from L1 and N plug terminals of the power
cord to the terminals for L1 and N on the
Figure 4b - Plug-to-terminal connections
ACU. See figure 4b.
for electric dryer.
If continuity exists for both connections,
Power Cord
go to step 6.
Plug
N Neu
If an open circuit is found, check the integrity
of the connections of the power cord to the
L1
harness in the dryer; harness to the ACU;
and the integrity of the power cord itself.
5. If it is necessary to replace the power
cord, remove the retaining clip that secures
the cord to the back panel. Disconnect the
cord from the main harness and the ground
wire from the rear panel, then pull out the
COM
power cord.
Figure 3 - Plug-to-terminal connections for electric dryer
Figure 4b - Plug-to-terminal connections
6. Visually check that ALL connectors are
for electric dryer.
5. If it is necessary to replace the power cord, remove the
fully inserted into the ACU.
retaining clip that secures the cord to the back panel.
Disconnect the cord from the main harness and the
If continuity exists for both connections,
7. Visually check that ALL connectors are
ground wire from the rear panel, then pull out the power
go to step 6.
fully inserted into the UI.
cord.
6. Visually check that ALL connectors are fully inserted into
If an open circuit is found, check the integrity
8. Reassemble all parts and panels.
the ACU.
of the connections of the power cord to the
9. Plug in dryer or reconnect power.
7. Visually check that ALL connectors are fully inserted into
harness in the dryer; harness to the ACU;
the UI.
10. Perform steps under "Service Test Mode",
and the integrity of the power cord itself.
8. Reassemble all parts and panels.
page 3, to verify repair.
9. Plug in dryer or reconnect power.
5. If it is necessary to replace the power
10. Perform steps under "Service Test Mode", page 2-5, to
GAS DRYER (U.S. and Canadian Installations):
cord, remove the retaining clip that secures
verify repair.
the cord to the back panel. Disconnect the
1. Unplug dryer or disconnect power.
cord from the main harness and the ground
GAS DRYER (U.S. and Canadian Installations):
2. Remove the cover plate from the top right
wire from the rear panel, then pull out the
1. Unplug dryer or disconnect power.
corner of the back of the dryer. See figure 3.
power cord.
2. Remove the cover plate from the top right corner of the
3. Check that the power cord is firmly
back of the dryer. See figure 1.
6. Visually check that ALL connectors are
3. Check that the power cord is firmly connected to the connected to the dryer's wire harness.
fully inserted into the ACU.
dryer's wire harness. See figure 4.
See figure 5.
7. Visually check that ALL connectors are
fully inserted into the UI.
8. Reassemble all parts and panels.
9. Plug in dryer or reconnect power.
10. Perform steps under "Service Test Mode",
page 3, to verify repair.
GAS DRYER (U.S. and Canadian Installations):
1. Unplug dryer or disconnect power.
2. Remove the cover plate from the top right
corner of the back of the dryer. See figure 3.
Figure 5 - Power cord-to-wire harness
Figure 4 - Power cord-to-wire harness connection for gas dryer.
3. Check that the power cord is firmly
connection for gas dryer.
connected to the dryer's wire harness.
4. Access the machine electronics without
See figure 5.
disconnecting any wiring to the ACU.
5. With an ohmmeter, check for continuity
between the neutral (N) terminal of the plug and
Neu
1
J8
For Service Technician Use Only
ACU
J9
L1
1
5
N
Neu
1
J8
Wire
Harness
Power
Cord
4. Access the machine electronics without
disconnecting any wiring to the ACU.
5. With an ohmmeter, check for continuity
between the neutral (N) terminal of the plug and
J8-3 (white wire) on the ACU. The left-hand
side of figure 6 shows the position of the neutral
4. Access the machine electronics without disconnecting any
terminal (N) on the power cord plug. Also see
wiring to the ACU.
figure 2, page 12.
5. With an ohmmeter, check for continuity between the
neutral (N) terminal of the plug and J8-3 (white wire) on
If there is continuity, go to step 6.
the ACU. The left-hand side of figure 5 shows the position
of the neutral terminal (N) on the power cord plug. Also
If there is no continuity, disconnect the
see figure 1, page 3-7.
white wire of the main harness from the
¾ If there is continuity, go to step 6.
power cord at the location illustrated in
¾ If there is no continuity, disconnect the white wire of
figure 5. Test the continuity of the power
the main harness from the power cord at the location
Figure 5 - Power cord-to-wire harness
illustrated in figure 4. Test the continuity of the power
cord neutral wire as illustrated in figure 6.
connection for gas dryer.
cord neutral wire as illustrated in figure 5. If an open
If an open circuit is found, replace the
circuit is found, replace the power cord. Otherwise, go
4. Access the machine electronics without
to step 6.
power cord. Otherwise, go to step 6.
disconnecting any wiring to the ACU.
5. With an ohmmeter, check for continuity
N
Neu
between the neutral (N) terminal of the plug and
L1
J8-3 (white wire) on the ACU. The left-hand
side of figure 6 shows the position of the neutral
G
terminal (N) on the power cord plug. Also see
Masse
figure 2, page 12.
Power Cord
If there is continuity, go to step 6.
Plug
If there is no continuity, disconnect the
Figure 5 - Power cord terminals, gas dryer.
Figure 6 - Power cord terminals, gas dryer.
white wire of the main harness from the
6. In a similar way, check for continuity between the L1
6. In a similar way, check for continuity
power cord at the location illustrated in
terminal of the plug and J9-2 (black wire) on the ACU.
between the L1 terminal of the plug and J9-2
figure 5. Test the continuity of the power
¾ If there is continuity, go to step 7.
(black wire) on the ACU.
cord neutral wire as illustrated in figure 6.
¾ If there is no continuity, check the continuity of the
If an open circuit is found, replace the power cord in a similar way to that illustrated in figure
If there is continuity, go to step 7.
5, but for power cord's L1 wire.
power cord. Otherwise, go to step 6.
If there is no continuity, check the continuity
¾ If an open circuit is found, replace the power cord.
of the power cord in a similar way to that Otherwise, replace the main harness.
N
7. Visually check that ALL connectors are fully inserted into
illustrated in figure 6, but for power cord's
the ACU.
Neu
L1 wire.
8. Visually check that ALL connectors are fully inserted into
L1
the UI. If an open circuit is found, replace the power
9. Reassemble all parts and panels.
cord. Otherwise, replace the main harness. G
Masse
10. Plug in dryer or reconnect power.
7. Visually check that ALL connectors are fully
11. Perform steps under "Service Test Mode", page 2-5, to
Power Cord
inserted into the ACU.
verify repair.
Plug
8. Visually check that ALL connectors are fully
Figure 6 - Power cord terminals, gas dryer.
inserted into the UI.
6. In a similar way, check for continuity
between the L1 terminal of the plug and J9-2
DO NOT REMOVE OR DESTROY
(black wire) on the ACU.
If there is continuity, go to step 7.
If there is no continuity, check the continuity
of the power cord in a similar way to that
illustrated in figure 6, but for power cord's
L1 wire.
If an open circuit is found, replace the power
cord. Otherwise, replace the main harness.
Whirlpool & Maytag 9.2 Cu. Ft. Steam Dryer
7. Visually check that ALL connectors are fully
inserted into the ACU.
COMPONENT TESTING
Wire
Harness
Power
Cord
L1
COM
N
Neu
G
Masse
L1
COM
N
Neu
G
Masse
3-9
n