Part 4 Trouble Shooting
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1. Uses of sensors
: Control of compressor and cycle
2. Kinds of Sensors (See corresponding pages)
Outlet : 200 kΩ ± 10 %
Piping : 5 kΩ ± 10 %
Air : 10 kΩ ± 10 %
(Based on 25 ℃ of surrounding temperature)
3. Sensor insulation resistance
: The resistance between the sash and sensor terminal should be not less than 1MΩ.
Items Contents
Purpose
Prevention of reception of wrong temperature value from the tempera -
ture sensor
Condition for Generation Damage of temperature sensor (Short / Open)
Classification Causes in Detail
PCB Assembly
Connector open, damaged insulation of sash, damage of the wire coat -
ing of temperature sensors
Code No. Details of Errors
41
Inverter Discharge temperature sensor Open/Short
43 High pressure Sensor Error
44 Outdoor air temperature sensor Open/Short
45 Outdoor piping temperature sensor Open/Short
46 Outdoor suction temperature sensor Open/Short
47 Constant rate outlet temperature sensor Open/Short
■ Cause of Temperature Sensor Error
Checking Temperature Sensor Open/Short
6.7 Troubleshooting Outdoor Error
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