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 />
40*<br />
Master<br />
401<br />
Slave1<br />
402<br />
Slave2<br />
403<br />
Error Type Error Point Main Reasons<br />
Inverter compressor CT<br />
sensor error<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
Micom input voltage isn't<br />
within 2.5V ±0.3V at initial<br />
state of power supply<br />
■ Error Diagnosis and Countermeasure Flow Chart<br />
Is input voltage normal?<br />
Yes<br />
Is inverter PCB assembly normal?<br />
Yes<br />
Recheck power and installation condition<br />
* Measuring input voltage<br />
* Inverter PCB assembly<br />
No<br />
No<br />
- 107 -<br />
1. Input voltage abnormal (T-N)<br />
2. ODU inverter PCB damage<br />
(CT sensing part)<br />
Check<br />
R~S/S~T/T~R phase voltage is 380V ±10%<br />
R~N/S~N/T~N phase voltage is 220V ±10%<br />
→ Check connection condition and wiring if power is<br />
abnormal<br />
Replace inverter PCB assembly<br />
* <strong>LG</strong>MV Part<br />
Troubleshooting Guide<br />
<strong>LG</strong>E Internal Use Only
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