LG THERMA V, Руководство по установке, Страница: 275 / 277

275
COMMISSIONING
ENGLISH
Display
code
Title Cause of error Check point & Normal condition
62
Heat sink Temp,
High error Heat sink sensor detected high
temp.(85 °C)
1. Part no. : EBR37798101~09
- Check the heatsink sensor: 10 k
Ω
/ at
25 °C(Unplugged)
- Check the outdoor fan is driving rightly
2. 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(Inverter)
67 Fan lock error
Fan RPM is less than 10 for 5
seconds from start-up operation.
Fan RPM is less than 40 in operation
except for start-up operation
1. Fan motor damage.
2. Assembly condition abnormal.
3. Jammed fan by surroundings.
114
Problem in Vapor
injection inlet
temperature sensor
• Open (Below -48.7 °C)/ Short(Over
96.2 °C)
• Soldered poorly
• Internal circuit error
1. Bad connection of thermistor connector
2. Defect of thermistor connector (Open/Short)
3. Defect of outdoor PCB(Outdoor)