DIAGOSTIC TEST
11
24
Test 4 Heater check
Trouble Symptom : Heater is not working. Drying failure. The designated
temperature is not reached.
Measurement condition : Power cord is unplugged.
With Tab relay housing
disconnected from Controller,
1) RLY1 - RLY2 resistance
ranges 26
Ω
~32
Ω
?
2) RLY1 - WH2 pin
resistance ranges 53
Ω
~59
Ω
?
• Check and replace
controller.
• RLY2 ~ WH2
• See page 17, PCB
assembly lay-out.
When check thermostat to
Heater,
it is less than 1
Ω
?
• Replace Heater
• Check Harness
connection
Manually get Thermostat
back (Press button )
1. Clean Condensing unit :
2. Check if Lint filter is
damaged or clogged
Trouble Symptom : Motor malfunction, ventilation error
Heater On/Off occurs
frequently
RLY2
RLY1
WH2
RLY1
1
1
2
1
2