Whirlpool GBS277PDB Technical Guide - Page 45

Oven Light & Control Power, Transformers

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WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or electrical shock. OVEN LIGHT & CONTROL POWER TRANSFORMERS LOAD LINE Refer to page 4-6 for the procedure for servicing the oven light & control power transformers. 1. Disconnect the electrical power to the oven. 2. Disconnect the wires from the transformer under test. 3. Set the ohmmeter to the R x 1 scale. 4. To test the oven light transformer: a) Touch the ohmmeter leads to the LINE terminals. The meter should indicate between 40 and 45 Ω. b) Touch the ohmmeter leads to the LOAD terminals. The meter should indicate less than 1 Ω. 5. To test the control power transformer: a) Touch the ohmmeter leads to the LINE terminals. The meter should indicate between 85 and 90 Ω. b) Touch the ohmmeter leads to the LOAD terminals. The meter should indicate between 1 and 6 Ω. 5-5

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5-5
ELECTRICAL SHOCK HAZARD
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so could result in death or
electrical shock.
WARNING
Refer to page 4-6 for the procedure for servic-
ing the oven light & control power transformers.
1.
Disconnect the electrical power to the
oven.
2.
Disconnect the wires from the transformer
under test.
3.
Set the ohmmeter to the R x 1 scale.
4.
To test the oven light transformer:
a)
Touch the ohmmeter leads to the LINE
terminals. The meter should indicate
between 40 and 45
Ω
.
b)
Touch the ohmmeter leads to the LOAD
terminals. The meter should indicate
less than 1
Ω
.
5.
To test the control power transformer:
a)
Touch the ohmmeter leads to the LINE
terminals. The meter should indicate
between 85 and 90
Ω
.
b)
Touch the ohmmeter leads to the LOAD
terminals. The meter should indicate
between 1 and 6
Ω
.
LOAD
OVEN LIGHT & CONTROL POWER
TRANSFORMERS
LINE