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Troubleshooting Guide
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Troubleshooting
CH24,
CH25![](/images/new-backgrounds/1003102/310283xi6.webp)
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Display | Title | Cause of error | Check point & Normal condition | |
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24 | Press S/W Open | • Low / High press | • Check the connection of “CN_Press”. | |
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| S/W open. | • Check the components. | |
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25 | Input voltage | • Abnormal Input voltage | • Check the power source. | |
(140Vac , 300Vac . | • Check the components. | |||
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Check Point
• CH 24
1.Check the connection of “CN_PRESS”
2.Check the install condition for over load.
3.Check the SVC V/V open.
4.Check the leakage of refrigerant.
• CH 25
1.Check the power source.
2.Check the components
(Trans1, B/Diode, Diode, Resistance)
42Ceiling Cassette Air Conditioner