Maintenance
4-2
GUPS 2400A
–104 Operation Manual
4.5
Troubleshooting
In the event that a problem arises during unit operation, refer to the guidelines listed in
Table 4
–1 to assist in determining the cause and to repair the unit as quickly as possible.
Symptom
Probable Cause
Suggested Solution
No indicators are
illuminated.
The AC line voltage is not
present.
Energize the input circuit breaker;
press the OUTPUT ON
pushbutton.
All indicators are
illuminated red.
The battery module is
unplugged.
Open the input circuit breaker,
unplug the battery module then
re-insert the battery module into
the connector.
AC is not present on the
output.
The output relay is not closed;
the output circuit breakers are
open.
Press the OUTPUT ON
pushbutton; close the output
circuit breakers.
The ON BATT indicator
is illuminated amber.
The AC input is either below
169V or is above 232V.
Ensure the AC line is within the
proper operating range.
The TEMP indicator
is illuminated red.
The filter is clogged.
Clean the filter, if required.
The BATTERY indicator
is illuminated red.
1) Low battery voltage or
2) a defective battery.
1) Recharge the battery or
2) replace the battery, as
required.
The inverter transfers
to battery then quickly
shuts down.
1) The batteries are
discharged; 2) the batteries
are sulfated; or 3) the output
relay is open.
1) Allow a 4-hour recharge of
the batteries; 2) allow a 72-hour
recharge of the batteries; or
3) press the OUTPUT ON
pushbutton, as required.
The LOAD indicator
is illuminated red.
There is an overload on the
output.
Reduce the load.
The LOAD indicator
is not illuminated.
The output relay is open.
Press the OUTPUT ON
pushbutton to close the output
relay.
The TEST indicator
is blinking.
The TEST pushbutton has
been pressed.
Wait until the self-test is complete
before operating any other
controls.
The TEST indicator
does
not blink when the TEST
pushbutton is pressed.
The output relay is closed.
TEST will only be performed if
the relay is open.
Table 4
–1. GUPS 2400A-104 Troubleshooting Guide
Содержание GUPS 2400A-104
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