to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Troubleshooting Guide<br />
Error<br />
No.<br />
10<br />
Error Type Error Point Main Reasons<br />
Indoor unit BLDC fan mo<strong>to</strong>r<br />
failure<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
Indoor BLDC fan mo<strong>to</strong>r<br />
feedback signal is absent<br />
(for 50 sec.)<br />
■ Error diagnosis and countermeasure flow chart<br />
Is connec<strong>to</strong>r<br />
connection proper?<br />
Yes<br />
Is fan mo<strong>to</strong>r<br />
normal?*<br />
Yes<br />
Replace indoor unit PCB **<br />
No<br />
No<br />
Connect properly<br />
Replace indoor unit fan mo<strong>to</strong>r<br />
* It is normal when check hall sensor of indoor fan mo<strong>to</strong>r as shown below<br />
1 4 5 6 7<br />
<br />
Each termainl with the tester<br />
Tester Normal resistance(±10%)<br />
+ - TH chassis TD chassis<br />
1 4 ∞ ∞<br />
5<br />
6<br />
7<br />
4<br />
4<br />
4<br />
hundreds kΩ hundreds kkΩ<br />
∞ ∞<br />
hundreds kΩ hundreds kΩ<br />
** Replace the indoor unit PCB, and then make sure <strong>to</strong> do Au<strong>to</strong> addressing and input the<br />
address of central control<br />
(Notice: The connection of mo<strong>to</strong>r connec<strong>to</strong>r <strong>to</strong> PCB should be done under no power<br />
supplying <strong>to</strong> PCB)<br />
- 90 -<br />
1. Mo<strong>to</strong>r connec<strong>to</strong>r connection fault<br />
2. Indoor PCB fault<br />
3. Mo<strong>to</strong>r fault<br />
<strong>LG</strong>E Internal Use Only
Change language