Troubleshooting Guide
Troubleshooting CH41, CH44,
CH45,
CH46,
CH47, CH65
Display | Title | Cause of error | Check point & Normal condition | |
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41 |
| • Open / Short | • Normal resistor : 200KΩ / at 25°C(77°F) (Unplugged) | |
• Soldered poorly | ||||
• Normal voltage : 4.5Vdc / at 25°C(77°F) (plugged) | ||||
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| • Internal circuit error | ||
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| • Open / Short | • Normal resistor : 10KΩ / at 25°C(77°F) (Unplugged) | |
44 | Air sensor | • Soldered poorly | ||
• Normal voltage : 2.5Vdc / at 25°C(77°F) (plugged) | ||||
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| • Internal circuit error | ||
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| • Open / Short | • Normal resistor : 5KΩ / at 25°C(77°F) (Unplugged) | |
45 | Condenser Pipe sensor | • Soldered poorly | ||
• Normal voltage : 2.5Vdc / at 25°C(77°F) (plugged) | ||||
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| • Internal circuit error | ||
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| • Open / Short | • Normal resistor : 5KΩ / at 25°C(77°F) (Unplugged) | |
46 | Suction Pipe sensor | • Soldered poorly | ||
• Normal voltage : 2.5Vdc / at 25°C(77°F) (plugged) | ||||
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| • Internal circuit error | ||
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| • Open / Short | • Normal resistor : 200KΩ / at 25°C(77°F) (Unplugged) | |
47 | • Soldered poorly | |||
• Normal voltage : 4.5Vdc / at 25°C(77°F) (plugged) | ||||
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| • Internal circuit error | ||
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| • Open / Short | • Normal resistor : 10KΩ / at 25°C(77°F) (Unplugged) | |
65 | Heat sink sensor | • Soldered poorly | ||
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| • Internal circuit error | • Normal voltage : 2.5Vdc / at 25°C(77°F) (plugged) | |
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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. |
Ω | If the voltage of the sensor is 0 V or 5Vdc, | then sensor is abnormal. |
44Ceiling Cassette Air Conditioner
