LG Multi-Inverter Service Manual page 115

Multi air conditioner
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4. Trouble Shooting
Display
Title
code
D-pipe (Inverter)
temp. high
32
(105°C )
Toff(105) °C
T2(95) °C
T1(90) °C
COMP Frequency
Normal
(Hz)
LEV Openness
Normal
(Pulse)
Check Point
1. Check the install condition for over load.
2. Check the Service Valve open.
3. Check the outdoor fan operating condition
4. Check the leakage of refrigerant.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• Discharge sensor
(Inverter) temp. high
D-Pipe temp.
Normal
Normal
OFF Control
- 114 -
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 Service Valve open.
• Check the outdoor fan.
OFF
LGE Internal Use Only

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