- 206 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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.
Troubleshooting Guide
Содержание A2UW146FA0
Страница 254: ...P NO 3828A20097W NOVEMBER 2007 ...