LG HN1639HC NK0 Installation Manual

COMMISSIONING
173
ENGLISH
Error code Title Cause of error Check point
60
EEPROM
Checksum
mismatched
• EEPROM Access error and
Check SUM error
• EEPROM contact defect/wrong
insertion
• Different EEPROM Version
• ODU Inverter & Main PCB (Assembly 1)
damage
61
Temperature at
condenser-pipe is
too high
• Overload operation
(Outdoor fan constraint,
screened, blocked)
• Unit heat exchanger
contaminated
• EEV connector displaced /
poor EEV assembly
• Poor Cond. Pipe sensor
assembly / burned
• Check outdoor fan constraint / screened
/ flow structure
• Check if refrigerant overcharged
• Check the status of EEV assembly
• Check the status of sensor assembly /
burn
62
Temperature at
heatsink is too high
• Heat sink sensor detected
high temp.(85 °C)
• Part no. : EBR37798101~09:
- Check the heat sink sensor: 10 kΩ / at
25 °C(Unplugged)
- Check the outdoor fan is driving rightly
• Part no. : EBR37798112~21:
- Check the soldered condition in the
22,23 pin of IPM, PFCM
- Check the screw torque of IPM, PFCM
- Check the spreadable condition of
thermal grease on IPM, PFCM
- Check the outdoor fan is driving rightly
65
Problem in heatsink
temperature sensor
• Abnormal value of
sensor(Open/Short)
• Check if there is defect of thermistor
connector (Open/Short)
• Check defect of outdoor PCB
67
ODU BLDC fan
lock
• Fan rotation speed < 10
rpm for 5 seconds during
start-up operation or < 40
rpm in normal operation
• Fan motor damage.
• Assembly condition abnormal.
• Jammed fan by surroundings.
88
Inverter PCBA PFC
EEPROM Error
114
Injection EEV
temp. sensor is
broken
• Open (Below -48.7 °C)/
Short(Over 96.2 °C)
Soldered poorly Internal
circuit error
• Bad connection of thermistor connector
• Defect of thermistor connector
(Open/Short)
• Defect of outdoor PCB
231
Water pressure
sensor problem
• Incorrect connection
between sensor and PCB
• PCB fault
• Sensor fault
• Check the actual water pressure value
shown on the remote controller.
• Voltage : 0.65 V at 1.0 bar (plugged)
• Refer to voltage-pressure table to check
at different pressure.
232
Water flow sensor
problem
• Incorrect connection
between sensor and PCB
• PCB fault
• Sensor fault
• Check the actual water flow rate shown
on the remote controller
• Voltage : 1.22 V at 23 LPM (plugged)
• Refer to voltage-flow table to check at
different flow rates

LG HN1639HC NK0 Specifications

General

Brand	LG
Model	HN1639HC NK0
Category	Heat Pump
Language	English