(ECOi-Geräte)
Alarm Code | P04 | |||
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Alarm meaning | High-pressure switch activated. | |||
Alarm conditions | The operation of the electronic circuit in the high-pressure switch may short-circuit the terminal depending on the pressure. A pressure of 3.3 MPa or above will short-circuit the terminal. Once the terminal is short-circuited, it will remain in that state until the pressure goes below 2.6 MPa. | |||
Probable cause |
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Check |
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Correction | Replace damaged components and correct the amount of charged refrigerant. | |||
Example | – | |||
Notes | – |