Midea MLTE45N4BWW Service Manual page 34

Service manual for Dryer Machine
COMPONENT TESTING
PROCEDURES
THERMOSTAT 3
175℃, 25A
Thermal cut-off
● Thermostat 3 resistance < 1Ω (Electronic
models only)
- If resistance is infinity, replace Thermostat 3.
● Thermostat 2 resistance < 1Ω
- If resistance is infinity, replace Thermostat 2.
● Heater resistance 20Ω
- If resistance is infinity, replace Heater.
DOOR SWITCH
250V 16A
● Measure resistance of the following terminal
(Electronic & GAS)
(1) Door switch: open
Terminal: "COM" – "NO" (1-2): ∞Ω
● Measure resistance of the following terminal
(2) Door switch push: On
Terminal: "COM" – "NO" (1-2): < 1Ω
BELT CUT-OFF SWITCH
91℃, 14A
250V, 16A
Thermal cut-off
● Belt Cut-off Switch (Electronic & GAS)
- Lever open: Resistance value < 1Ω
- Lever push: Resistance value: ∞Ω
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HEATER
THERMOSTAT 2
100/80℃, 25A
240V/4000W
HI-limit
● Centrifugal Switch (Motor) (Electronic &
GAS)
Function
Start
Run
●=Contact closed
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Midea America Company
2.88Ω between
Pin# 3 and 4
3.5Ω between
Pin# 4 and 5
Contacts
1M 2M 3M 5M
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6M
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