Dual Element Infinite Switch (Lf) - Whirlpool Polara GR556LRK Service Manual

Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
DUAL ELEMENT INFINITE
SWITCH (LF)
4
S2
4a
S1
S2
4a
4
Refer to page 4-2 for the procedure for servic-
ing the dual element infinite switch.
NOTE: Refer to the Tech Sheet Wiring Dia-
gram that is supplied with the unit to determine
the wiring for the infinite switch you are servic-
ing.
Electrical Shock Hazard
P1
2
P2
S1
P1
P2
2
5-6
WARNING
1. Unplug the refrigerated range or discon-
nect the power.
2. Set the ohmmeter to the R X 1 scale.
3. Turn the dual element infinite switch to the
"single" position.
4. Touch the ohmmeter test leads to the
following terminals. The meter should in-
dicate continuity (0 Ω):
a) S1 - S2
b) P1 - 2
c) P2 - 4
5. Set the ohmmeter to the R X 1K scale.
6. Touch the ohmmeter test leads to termi-
nals 2 and 4. The meter should indicate
approximately 5200 Ω.
7. Turn the dual element infinite switch to the
"dual" position.
8. Set the ohmmeter to the R X 1 scale.
9. Touch the ohmmeter test leads to the
following terminals. The meter should in-
dicate continuity (0 Ω):
a) S1 - S2
b) P1 - 2
c) P2 - 4
d) P2 - 4a
10. Set the ohmmeter to the R X 1K scale.
11. Touch the ohmmeter test leads to termi-
nals 2 and 4. The meter should indicate
approximately 5200 Ω.