Hot Surface Indicators - Whirlpool ESTATE TES325E W Service Manual

LIMITER
Test Procedure
WARNING
Electrical Shock Hazard
Disconnect from electrical supply before ser-
vicing unit.
Failure to do so could result in death or
electrical shock.
To test a limiter, perform the following steps:
1. Use an ohmmeter and set the range to
R x 1.
2. With no power applied, touch the ohmme-
ter leads to the following terminals. You
should obtain the following readings at
the indicated temperature:
1A and 2A opens @ 1025˚F
1B and 2B closes @ 275˚F
If the readings are not within the range shown,
the limiter is defective and should be replaced.
2A 2B
2A 2B
1B
1A
1A 1B

HOT SURFACE INDICATORS

120 V
SCHEMATIC
240 V
SCHEMATIC
4-8
R1
N
R1
N
COM
R1
N
R1
N
N = NEON LAMP
R1 = 30 kΩ .33W ±5%
R2
R1
N
R2
R1
N
COM
R2
R1
N
R2
R1
N
N = NEON LAMP
R1 = 68 kΩ .5W ±5%
R2 = 470 kΩ .5W ±5%