Troubleshooting Guide
116 Universal System Air Conditioner
11) Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65
Ω
41
44
45
46
47
65
D-pipe sensor (Inverter)
Air sensor
Condenser Pipe sensor
Suction Pipe sensor
D-pipe sensor (Constant)
Heat sink sensor
• 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
• Normal resistor : 200K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 4.5Vdc / at 25°C (plugged)
• Normal resistor : 10K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 2.5Vdc / at 25°C (plugged)
• Normal resistor : 5K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 2.5Vdc / at 25°C (plugged)
• Normal resistor : 5K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 2.5Vdc / at 25°C (plugged)
• Normal resistor : 200K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 4.5Vdc / at 25°C (plugged)
• Normal resistor : 10K
Ω
/ at 25°C (Unplugged)
• Normal voltage : 2.5Vdc / at 25°C (plugged)
Display
code
Title
Cause of error
Check point & Normal condition
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 k
Ω
or
∞
, then sensor is abnormal.
If the voltage of the sensor is 0 V or 5Vdc, then sensor is abnormal.
Summary of Contents for ABNH186HLAB
Page 66: ...66 Universal System Air Conditioner II Outdoor Units Introduction 67 AUUW B AUUW 0 R410A 69 ...
Page 121: ...Electronic Control Device Service Manual 121 Ceiling Duct Type BH Series ...
Page 122: ...Electronic Control Device 122 Universal System Air Conditioner BG BR Series ...
Page 123: ...Electronic Control Device Service Manual 123 VE Series Ceiling Floor ...
Page 124: ...Electronic Control Device 124 Universal System Air Conditioner VB Series ...
Page 126: ...Schematic Diagram 126 Universal System Air Conditioner Ceiling Cassette Type ...
Page 127: ...Schematic Diagram Service Manual 127 Ceiling Duct Type ...
Page 128: ...Schematic Diagram 128 Universal System Air Conditioner Ceiling Floor ...
Page 183: ...P No 3828A22009B Printed in Korea ...