PROBLEM CAUSE SOLUTION
Batteries may not be able
to hold a full charge due to
age
Replace batteries. Contact your local dealer, Vertiv representative or Technical Support
for replacement battery kit.
Battery
indicator is
flashing.
Battery source is not
available; continuous horn.
Check battery connections, completely power down and restart UPS.
NOTE: If the battery circuit opens while the UPS is running, it will be detected when the
next battery test is performed.
Bypass
indicator is
flashing.
Because the voltage or
frequency is outside
acceptable limits, the
bypass is disabled.
The AC input powers the PFC input and serves as the bypass source. If the AC is present
but the voltage or frequency exceeds the acceptable range for safe operation with a load,
the bypass will be disabled and this indicator will flash, indicating that the bypass is
unavailable.
Table 8.3 Troubleshooting table (continued)
When reporting a UPS issue to Vertiv, include the UPS model and serial number. These are located in
several places for your ease of location:
• on the top panel (rack mount orientation)
• the left side (tower orientation)
• the rear panel
• on the front of the unit behind the front plastic bezel
• on the LCD select Main Menu > About.
8 Troubleshooting
51
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