to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
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Error<br />
No.<br />
26*<br />
Master<br />
261<br />
Slave1<br />
262<br />
Slave2<br />
263<br />
Error Type Error Point Main Reasons<br />
Inverter compressor starting<br />
failure Error<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
Starting failure because of<br />
compressor abnormality<br />
■ Error Diagnosis and Countermeasure Flow Chart<br />
Is installation<br />
condition normal?<br />
Yes<br />
Are the resistance<br />
Between each phase and<br />
insulation resistance of Inverter<br />
compressor normal?<br />
Yes<br />
Is compressor<br />
Wire connection<br />
condition normal?<br />
Yes<br />
Is inverter PCB assembly normal?<br />
Yes<br />
Recheck power and installation condition<br />
No<br />
No<br />
No<br />
No<br />
- 99 -<br />
Troubleshooting Guide<br />
1. Overload operation<br />
(Pipe clogging/Covering/EEV defect/Ref.<br />
overcharge)<br />
2. Compressor damage<br />
(Insulation damage/Mo<strong>to</strong>r damage)<br />
3. Compressor wiring fault<br />
4. ODU inverter PCB damage (CT)<br />
1. Check Pipe clogging/dis<strong>to</strong>rtion<br />
2. Check Covering (Indoor/Outdoor Unit)<br />
3. Check EEV connec<strong>to</strong>r assemble condition/normal<br />
operation<br />
4. Check refrigerant pressure<br />
→ Reassemble or manage if abnormality found<br />
1. Check resistance between each terminal of compressor<br />
(0.34~0.35Ω ±7%)<br />
2. Check insulation resistance between compressor<br />
terminal and pipe (over 50MΩ )<br />
→ Replace compressor if abnormality found<br />
1. Check inverter PCB assembly U,V,W connec<strong>to</strong>r<br />
connection condition<br />
2. Check wire disconnection and wiring<br />
3. Check compressor terminal connection condition<br />
(bad contact)<br />
→ Reassemble if abnormality found<br />
Check inverter PCB assembly IPM normality<br />
→ Replace inverter PCB assembly<br />
<strong>LG</strong>E Internal Use Only
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