Component Testing Information - LG DLEY1701 E Series Service Manual

5

COMPONENT TESTING INFORMATION

CAUTION
When checking the Component, be sure to turn the power off, and do voltage discharge sufficiently.
!
Component
. Thermal cut off
CheckTop Marking:
·
N 40
2.Hi limit Thermostat
(Auto reset)
3.Outlet Thermostat
(Cut off)
CheckTop Marking:
·
N85
4. Lamp holder
5. Door switch
6. Idler switch
Test Procedure
Measure resistance of terminal
to terminal
Open at 284 9 ℉
( 40 5 ℃ )
Same shape as Outlet Thermostat.
Measure resistance of terminal
to terminal
Open at 257 9 ℉
( 25 5°C)
Close at 20 2 ℉
(94 7°C)
Measure resistance of terminal
to terminal
Open at 85 9 ℉
(85 5 ℃ )
Same shape as Thermal cut off.
Measure resistance of terminal
to terminal
Measure resistance of the
following terminal
) Door switch knob: open
Terminal: COM - NC( -3)
Terminal: COM - NC ( -2)
2) Door switch push: push
Terminal: COM - NC ( -3)
Terminal: COM - NC ( -2)
Measure resistance of the
following terminal:
COM - NC
Check result
If thermal fuse is open must
be replace
Resistance value
Continuity (250 ℉ ) < Ω
Resistance value
Resistance value < 5 Ω
Resistance value
Resistance value < 5 Ω
Resistance value:
80 Ω 00 Ω
Resistance value < Ω
Resistance value
Resistance value
Resistance value < Ω
. lever open
Resistance value < Ω
2. Lever push (close)
Resistance value
11
Remark
· Heater case-
Safety
· Electric type
· Heater case -
Hi limit
· Electric type
· Blow housing -
Safety