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Q : How to handle the alarm “Humidifier Main Time Out” on INVT AC air conditioning unit?
A: Troubleshooting steps:
1. In the status menu, go to Equipment Status – Humidifier Runtime and check the actual humidifier runtime.
2. If the actual runtime exceeds 2000 hours (default value), the humidifier requires cleaning and maintenance. After maintenance is completed, log in with the service password 504600, locate the time reset option, and clear the humidifier runtime. Then, confirm in the status menu that the humidifier runtime has been reset to zero, and manually clear the alarm.
3. If the actual runtime is less than 2000 hours (default value), the cause may be a protocol error, outdated software version, or an alarm threshold set too low. In this case, provide the software version number and serial number (SN) and contact the manufacturer for assistance.
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