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Posted: 2021-06-2806:35 AM. Last Modified: 2024-03-2611:32 PM
APC Backup ups pro 1000 fan doesn't turn off
The fan of the ups backup pro 1000 is not turning off when there is mains power supply to the unit. Also it doesn't turn off when the unit is running on back up. This has been on since more than 12 hours and I had to switch off the mains supply. If I turn it on, the fan again gets switched on and doesnt turn off.