LG Multi-Inverter Service Manual page 69

4. Trouble Shooting
Display
Title
code
D-pipe (Inverter)
32 temp. high
(105°C¡è )
D-pipe (Constant)
temp. high
33
(105°C¡è )
Toff(105) °C
T2(95) °C
T1(90) °C
COMP Frequency
Normal
(Hz)
LEV Openness
Normal
(Pulse)
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.
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Only for training and service purposes
Cause of error
• Discharge sensor
(Inverter) temp. high
• Discharge sensor
(Cons.) temp. high
D-Pipe temp.
Normal
Normal OFF Control
- 68 -
Check point & Normal condition
• 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.
OFF
• 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)
LGE Internal Use Only