Liebert Liebert PSI 1000, Руководство пользователя

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Troubleshooting
21
9.0 T
ROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the event the Liebert PSI
experiences a problem. See Table 7 for suggested solutions.
1. An alarm sounds, alerting that the UPS requires attention. The alarm can be silenced except for
low battery, overload warning and fault.
2. One or more additional indicators will be illuminated to provide a diagnostic aid to the operator,
as described below:
If the UPS fails to operate properly, turn Off the unit and repeat the steps in 3.0 - Installation . If the
problem persists, refer to Table 7 .
Table 7 Troubleshooting—problems, causes and solutions
Problem Cause Solution
UPS will not start
Short circuit
Check the circuit breaker on the rear of the
UPS.
If it is tripped, reset it and restart the UPS.
For help, contact your local dealer, local
Emerson representative or Channel
Support Applications.
Battery is disconnected or
completely discharged
Check for proper connection of battery or
batteries.
UPS starts on battery, but will not
switch to AC (dark start)
UPS not plugged in Plug in the power cord securely.
Circuit breaker tripped
Reset the circuit breaker and restart the
UPS.
AC overvoltage
Wait until voltage drops to an appropriate
level or have the utility power checked by a
properly trained and qualified electrician.
UPS shuts down
Short circuit or UPS output is
abnormal; LED 10 and LED 11
illuminate and sound audible
alarm
Remove the load and turn on the UPS
again. For help, contact your local dealer,
local Emerson representative or Channel
Support Applications.
Overload; LED 5 and LED 11
illuminate and sound audible
alarm
Check load level display and remove
nonessential loads. Recalculate the load
and reduce equipment connected to UPS -
the total wattage must not exceed the
capacity of the UPS.
LED 3 and LED 11 illuminate
and sound audible alarm
Recharge the battery for 8 hours, then turn
ON the UPS.
Liebert MultiLink software
Consult the Liebert MultiLink user manual
or contact your LAN administrator.
Battery weak LED (LED 3) flashing
Batteries weak Recharge batteries.
Batteries need to be replaced Replace batteries.