LG ATNH486DLFC - Troubleshooting CH32;CH33 Temperature Errors

Service Manual 121
Troubleshooting Guide
Troubleshooting CH32, CH33
32
33
D-pipe (Inverter)
temp. high
(105°C )
D-pipe (Constant)
temp. high
(105°C )
• Discharge sensor
(Inverter) temp. high
• Discharge sensor
(Cons.) temp. high
• Check the discharge pipe sensor for INV.
• Check the install condition for over load.
• Check the leakage of refrigerant.
• Check the SVC V/V open.
• Check the discharge pipe sensor for Cons.
• Check the install condition for over load.
• Check the leakage of refrigerant.
• Check the SVC V/V open.
Display
code
Title Cause of error Check point & Normal condition
Check Point
• CH 32
1. Check the install condition for over load.
2. Check the SVC V/V open.
3. Check the leakage of refrigerant.
• CH 33
1. Check the install condition for over load.
2. Check the SVC V/V open.
3. Check the leakage of refrigerant.
4. Check the constant compressor. (same with CH21)
100°C
95°C
AUUW6060 AUUH488C/AUUH728C/AUUH1008C
115°C
COMP OFF
P OFF
LEV OPEN
LEV OPEN
NORMAL
RMAL
N/Hz down
N/Hz down