LG ARTCOOL Series Service Manual page 48

7.3.9 Error code 10
Discription
• D-pipe TH. is short or open
Supposed
• D-pipe TH. is not connected to the outdoor unit PCB assembly
Causes
• Damage or defect on the sensing circuit of outdoor unit PCB assembly
The D-PIPE TH. Is connected to
outdoor unit PCB assembly
Yes
D-PIPE TH. is working
properly ?
Yes
Is Sensing circuit of outdoor
unit PCB working properly ?
Yes
* It's normal to protect the unit,
when the discharge pipe temp.
is high in the range of
100~110°C(depens on model)
Be sure to disconnect the power cable plug from the plug socket before disassembling the
equipment for a repair. Internal components and circuit boards are at main potential when the
equipment is connected to the power cables. This voltage is extremely dangerous and may
cause death or severe injury if come in contact with it.
Be sure to turn off power switch before connect or disconnect connector, or parts damage may
be occurred.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
D-Pipe TH.(Thermistor) is short or open
No
Connect to CN-D_PIPE in outdoor
unit PCB assembly
Check D_PIPE TH.
No
- Measure resistance of TH.
(about 200kΩ at 25°C.)
No
- Check soldering state of
R07H, R08H, C04H
- 47 -
Part 4 Trouble Shooting Guide
LGE Internal Use Only