Tip & How-To about Opti - UPS ES800C 800VA 480W 1050 JOULES AVR 6 OUTLETS RJ11 RJ45 SOFTWARE CABLE (25880) UPS System
UNINTERRUPTIBLE POWER SUPPLY – FAULTS
Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. Including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage of each battery may show 13 volts when tested with a multi-meter. This is a float voltage and a true indication of the battery voltage and its condition requires each battery to be tested under a load. If one battery is faulty in a set of batteries it will causes the whole battery system to fail and indicate a battery fault.
Also a faulty charging circuit will not charge the batteries and will cause a fault condition warning.
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