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Title
code
41
D-pipe sensor (Inverter)
44
Air sensor
45
Condenser Mid-pipesensor
46
Suction Pipe sensor
48
Condenser Out-pipe sensor
Is sensor PCB conn
ected to main PCB
correctly?
Is the sensor properly
assembled?
Is the sensor normal?
Yes
Recheck power
and installation condition
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Only for training and service purposes
Cause of error
• Open / Short
• Soldered poorly
• Internal circuit error
• Open / Short
• Soldered poorly
• Internal circuit error
• Open / Short
• Soldered poorly
• Internal circuit error
• Open / Short
• Soldered poorly
• Internal circuit error
• Open / Short
• Soldered poorly
• Internal circuit error
• Connect sensor PCB to main
PCB correctly
• Remedy : reassemble the sensor
• Check the status of the PCB
connector assembly
• Check the status of the sensor
assembly
• Remedy : reassemble the sensor
• Check if the sensor is disconnected
• Check if the sensor is burned :
measure the resistance
• Check if the sensor insulation is
damaged
• Remedy : remove cause of error
Main PCB
Connector PCB
Suction pipe connector
D-pipe sensor connector
- 67 -
Part 5. Trouble Shooting
Check point & Normal condition
• Normal resistor : 200KΩ / at 25°C (Unplugged)
• Normal resistor : 10KΩ / at 25°C (Unplugged)
• Normal resistor : 5KΩ / at 25°C (Unplugged)
• Normal resistor : 5KΩ / at 25°C (Unplugged)
• Normal resistor : 5KΩ / at 25°C (Unplugged)
Air sensor connector
Condenser
Mid-pipe connector
Condenser
out-pipe connector
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Troubleshooting
