LG Electronics LCN240CP Air Conditioner User Manual


 
44 Ceiling Cassette Air Conditioner
Troubleshooting Guide
Troubleshooting CH32, CH33
32
33
D-pipe (Inverter)
temp. high
(105°C(221°F) )
D-pipe (Constant)
temp. high
(105°C(221°F) )
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)
90°C
(194°F)
80°C
(176°F)
95°C
(203°F)
Inverter Constant
105°C
(221°F)
105°C
(221°F)
COMP OFF
COMP OFF
LEV OPEN
LEV OPEN
NORMAL
NORMAL
LEV OPEN/Hz down
LEV OPEN/Hz down
90°C
(194°F)