LG General Wall Mounted-Inverter Type Svc Manual [Page 62]

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Troubleshooting Ch26, Ch27 - Lg General Wall Mounted-Inverter Type Svc Manual General wall mounted-inverter type Hide thumbs 1 Table Of Contents 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67

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Table of Contents Part 4 Trouble Shooting

7) Troubleshooting CH26, CH27

Error Title code DC Compressor 26 Position PSC Fault 27 Check Point • CH 26 1. Check the connection of "U,V,W" 2. Check the insulation of IPM part. 3. Check the compressor. (same with CH21) 62 Room Air Conditioner Cause of error • Compressor position detect error • Over current at "IGBT" B • CH 27 1. Check the component of "IGBT" 2. Check the components (IGBT, R04S, NF1, BD02S) Check point & Normal condition • Check the connection of comp wire "U,V,W" • Malfunction of compressor • Check the component of "IPM", detection parts. • Check the component of "IGBT" . • Check the components. E E C C B B C E Table of Contents Previous Page Next Page

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• Part 4 Trouble Shooting
• Error Indicator
• Self-Diagnosis Function
• Troubleshooting Ch05, Ch53
• Troubleshooting Ch26, Ch27
• Troubleshooting Ch32, Ch33, Ch40
• Troubleshooting Ch61, Ch62

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Troubleshooting

• Cycle Troubleshooting Guide 39
• Electric Parts Troubleshooting Guide 41
• part 4 trouble shooting 42
• Troubleshooting CH05, CH53 57
• Troubleshooting CH26, CH27 62
• Troubleshooting CH32, CH33, CH40 63

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Ch01Ch02Ch06Ch05Ch53Ch21 ... Show all Ch22Ch23Ch28Ch24Ch25Ch26Ch27Ch32Ch33Ch40Ch41Ch44Ch45Ch46Ch47Ch65Ch51Ch60Ch61Ch62

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