LG General Wall Mounted-Inverter Type Svc Manual (Page 64 Of 67)

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LG General Wall Mounted-Inverter Type Svc Manual page 64 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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Part 4 Trouble Shooting 9) Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Display Title code 41 D-pipe sensor (Inverter) 44 Air sensor 45 Condenser Pipe sensor 46 Suction Pipe sensor D-pipe sensor (Constant) 47 Heat sink sensor 65 Ω 64 Room Air Conditioner Cause of error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error Check Point 1. Estimate the resistance of each sensor.(Unplugged) 2. Estimate the voltage of each sensor.(Plugged) 3. If the resistance of the sensor is 0 kΩ or ∞, then sensor is abnormal. If the voltage of the sensor is 0 V or 5VDC, then sensor is abnormal. Check point & Normal condition • Normal resistor : 200kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 4.5VDC / at 25°C(77°F) (plugged) • Normal resistor : 10kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 2.5VDC / at 25°C(77°F) (plugged) • Normal resistor : 5kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 2.5VDC / at 25°C(77°F) (plugged) • Normal resistor : 5kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 2.5VDC / at 25°C(77°F) (plugged) • Normal resistor : 200kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 4.5VDC / at 25°C(77°F) (plugged) • Normal resistor : 10kΩ / at 25°C(77°F) (Unplugged) • Normal voltage : 2.5VDC / at 25°C(77°F) (plugged) 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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Table of Contents

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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