LG Therma V ZHBW056A0 Service Manual page 98

Display
Title
code
41 D-pipe sensor (Inverter)
44 Air sensor
Condenser Mid pipe sen-
45
sor
46 Suction Pipe sensor
47 Const-D-Pipe Sensor Error
114 Injection In Sensor Error
115 Injection Out Sensor Error
n Error Diagnosis and Countermeasure Flow Chart
Is sensor connected to
PCB(Inverter) correctly?
Yes
Is sensor value correct?*
Yes
Replace corresponding
PCB(Inverter)
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
• Open / Short
• Soldered poorly
• Internal circuit error
• Open / Short
• Soldered poorly
• Internal circuit error
No
Connect sensor to PCB(Inverter)
correctly
No
Replace sensor
Check Point
1. Estimate the resistance of each sensor.(Unplugged)
2. Check the value of the resistor of thermistor.
D-pipe sensor (Inverter)
Air sensor
Cond. Mid-pipe sensor
Suction pipe sensor
Condenser Out-pipe sensor : Normal Value of the resistor is 5kΩ at 25℃
Check point & Normal condition
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Inverter)
: Normal Value of the resistor is 200kΩ at 25℃
: Normal Value of the resistor is 10kΩ at 25℃
: Normal Value of the resistor is 5kΩ at 25℃
: Normal Value of the resistor is 5kΩ at 25℃
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