Troubleshooting - ONEAC SE041XAT User Instruction Manual

Troubleshooting

ONEAC Sinergy SE II Series UPS User Manual
If, in spite of the high reliability of this UPS, problems should occur, please check the following points
before contacting Technical Support:
• Is the mains voltage present at the UPS input?
• Is the input fuse blown or have circuit breakers tripped?
When contacting Technical Support, please have the following information ready:
• UPS information = model #, system #, serial # as per nameplate
• An exact description of the problem (what loads are being operated, does the problem occur
regularly or sporadically etc.) including any fault message description(s)
• For description of the indicators mentioned below see section titled "Control Panel"
Table 13. Troubleshooting Table
Problem
No indication
No alarm
(UPS switched off)
"ON" LED does not illuminate, acoustic
alarm active at intervals
"ON" LED does not illuminate when mains
voltage present, acoustic alarm active at
intervals
FAULT indicator illuminates, acoustic
alarm active continuously
Battery run time less than specified
OVERLOAD message displayed
No communication between UPS and PC
Possible cause
Mains switched off.
No mains voltage present.
Input fuse blown or input circuit breaker
tripped.
No mains voltage present.
Input fuse defective or input circuit breaker
tripped.
UPS error.
Overheating
The fuse switch of the battery extension(s)
is blown.
Batteries are not fully charged.
Batteries are defective.
Charging device is defective.
Overload at UPS output.
Wrong serial connection cable.
Interface on the PC is being used by
another process or is defective.
Interference on the data cable.
Troubleshooting
Corrective Actions
Switch on main switch.
Have mains inspected by qualified
electrician.
Replace with fuse of same type or switch on
circuit breaker. If the problem persists,
contact technical support.
UPS operation. see "Control Panel Menus
and Displayed Text/Options" on page 20
Replace with fuse of same type or switch on
circuit breaker. If the problem persists,
contact technical support.
Contact technical support.
Decrease ambient temperature.
Check for open fuses.
Charge batteries (see "Batteries" on page 4)
and test backup time, see "Battery Test" on
page 27. If the problem persists, contact
technical support.
Contact technical support.
Contact technical support.
Reduce load to the permissible value.
Check whether the correct cable has been
used (standard modem/null modem cables
are not permissible).
Check whether other software/service is
accessing the interface on the PC; try
selecting a different serial interface.
Lay cable differently. Reinstall cabling.
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