Single Zone Service Manual - General

Part 4 Trouble Shooting
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Measure resistance
Refer to Check Point
Resistance is adequate?
Sensor OK
Resistance (White)
200~165㏀@25~30°C
Resistance (Black)
10~8㏀@25~30°C
Resistance (Blue)
5~4㏀@25~30°C
Yes
No
Replace Sensor
❏ Discharge Pipe Temp Sensor (200㏀)
❏ Air/Room Temp. Sensor (10㏀)
❏ Indoor Pipe Temp. Sensor (5㏀)
Check Point
1. 10k Ω / at 25℃(77℉)±10%
2. 5k Ω / at 25℃(77℉)±10%
3. 200k Ω / at 25℃(77℉)±10%
Check Method
❈ For more information, please refer to the 38 page table.