DIAGOSTIC TEST
11
29
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 RLY1,RLY2, RLY3
disconnected from Controller,
• RLY2 (White) - RLY3
(Blue) resistance ranges
26
Ω
~32
Ω
?
• RLY1 (Black) - RLY3
(Blue)resistance ranges
53
Ω
~59
Ω
?
• Check and replace
controller.
• Relay RTY2, RTY3
• See page 15, PCB
assembly lay-out.
1
2
RLY3
RLY2
1
1
RLY3
RLY1
When check thermostat to
Heater,
it is less than 1
Ω
?
• Replace Heater
• Check Harness
connection
Check or replace Controller
Assembly Replace Harness
and connector
1. Clean Condensing unit :
2. Check if Lint filter is
damaged or clogged
Trouble Symptom : Motor malfunction, ventilation error
Heater On/Off occurs
frequently
1
1
2
1
1
