Tescom NEOLINE 1000, User Manual

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If the main voltage is within the specifications, the UPS should operate in normal mode; if the main
voltage is abnormal, the UPS should operate in battery mode. In both cases, there should be no
fault indication.
2. Check the transfer between the UPS operation modes
Disconnect the main input to simulate a mains failure, the UPS should transfer to battery mode and
operate normally; then recover the mains input, the UPS should transfer to normal mode and
operate normally.
6. Troubleshooting
In the event of an UPS fault, shoot the trouble according to Table… If the fault still persists, please
contact the customer service center.
Table 6-1 UPS troubleshooting table