Maintenance; Troubleshooting - Eaton Pulsar Série Manuel D'installation Et D'utilisation

5.1

Troubleshooting

If LED (21) or (22) is ON, a fault or an alarm has occurred. Use the escape button (24) to stop the audio alarm.
Indication
The UPS does not start, the LCD
indicates: COLD START NOK
1
CHECK AC WIRING
LED (22) is ON, the SWF LED
(11) at the rear of the UPS is ON.
2
The LCD indicates: SITE WIR.
FAULT CHECK AC WIRING
LED (22) is ON, the LCD
indicates: NO BATTERY CHECK
3
CONNECTION
LED (22) is ON, the LCD
indicates: BATTERY FAULT
4
SERV REQUIRED
LED (21) is ON, the LCD
indicates: OVERLOAD ALARM
5
REDUCE LOAD
LED (22) is ON, the LCD
indicates: LOAD UNPROTECTED
6
OUTPUT OVERLOAD
LED (22) is ON, the LCD
indicates: REDUCE LOAD
RESTART UPS
7
LED (22) is ON, the LCD
indicates: OVERLOAD FAULT
8
REDUCE LOAD
LED (22) is ON, the LCD
indicates: LOAD SHORT-CIRCU
9
CHECK WIRING
LED (22) is ON, the LCD
indicates: INTERNAL FAULT
SERV REQUIRED
10
The LCD indicates: REMOTE
POWER OFF RPO
11
Diagnostic
The AC input power is not
connected or is connected to the
UPS output.
Phase inversion on AC input
power. The UPS does not start.
The battery is incorrectly
connected.
A fault is detected on the battery.
The load level exceeds the
programmed overload level or
UPS capacity.
The UPS is overloaded. Devices
connected to the UPS are fed
directly by the electrical network
via the By-pass.
After repetitive overloads, the UPS
is locked in the By-pass position.
Devices connected to the UPS
are fed directly by the electrical
network.
The UPS shut down automatically
because of overload at the UPS
output.
The UPS shut down automatically
because of a short-circuit at the
UPS output.
A UPS internal fault has occurred.
There are two possible situations:
w the load is still supplied, but
directly with AC power via the
bypass,
w the load is no longer supplied.
Switching of the Remote Power
Off (RPO) has led to the shut
down of the UPS.

5. Maintenance

Correction
w Check AC power availability.
w Check the UPS is correctly
connected to the AC input power.
Check polarity and grounding system.
Check battery connections (see
Section 5.2, Battery-module
replacement).
Replace the battery (see Section 5.2,
Battery-module replacement). Call the
after-sales support department.
Reduce the load.
Check the power drawn by the
connected devices and disconnect any
non-priority devices.
Check the power drawn by the
connected devices and disconnect any
non-priority devices. Shut down and
restart the UPS to return to normal
operation.
Check the power drawn by the
connected devices and disconnect any
non-priority devices.
Remove the load, and then restart the
UPS.
Call the after-sales support
department.
Return the contact in the normal
position, and press the ON/OFF button
to restart.
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