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 />
42*<br />
Master 421<br />
Slave1 422<br />
Slave2 423<br />
43*<br />
Master 431<br />
Slave1 432<br />
Slave2 433<br />
Error Type Error Point Main Reasons<br />
Sensor error of low<br />
pressure<br />
Sensor error of high<br />
pressure<br />
■ Error diagnosis and countermeasure flow chart<br />
Is sensor connected<br />
<strong>to</strong> PCB correctly?<br />
Yes<br />
After replacement of<br />
outdoor unit main PCB<br />
is the system normal?<br />
Yes<br />
END<br />
No<br />
No<br />
Low pressure sensor<br />
Abnormal value of<br />
sensor<br />
(Open/Short)<br />
Abnormal value of<br />
sensor<br />
(Open/Short)<br />
High pressure sensor<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
Connect sensor <strong>to</strong> PCB correctly<br />
Replace corresponding<br />
pressure sensor<br />
- 109 -<br />
Troubleshooting Guide<br />
1. Bad connection of low pressure connec<strong>to</strong>r<br />
2. Defect of low pressure connec<strong>to</strong>r (Open/Short)<br />
3. Defect of outdoor PCB<br />
1. Bad connection of high pressure connec<strong>to</strong>r<br />
2. Defect of high pressure connec<strong>to</strong>r (Open/Short)<br />
3. Defect of outdoor PCB<br />
<strong>LG</strong>E Internal Use Only
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