UPS Maintenance Guide The maintenance of UPS (uninterruptible power supply)...
Troubleshooting Common UPS faults 1
Common faults: When the mains is active, a mains power failure alarm is generated for the UPS.
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Possible cause
1) Mains input circuit breaker trip.
2) The input AC line is in poor contact.
3) The mains input voltage is too high, too low, or the frequency is abnormal.
4) The UPS input circuit breaker or switch is damaged or the fuse is blown.
5) The UPS internal mains detection circuit is faulty.
Treatment method
1) Check the input circuit breaker.
2) Check the input line.
3) If the mains is abnormal, do not deal with it or start the generator power supply.
4) Replace the damaged circuit breaker, switch or fuse.
5) Check the UPS mains detection loop.
When the mains is normal, UPS output is normal. When the mains power is cut off, the load is also cut off.
UPS BATTERY SERIES
UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.
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