Instruction manual

Troubleshooting
25 Chloride Linear Plus Series Rack-mount UPS User Instruction Manual
Troubleshooting If, in spite of the high reliability of this device, problems should occur, please check the following points
before contacting the responsible customer service representative:
• Is the mains voltage present at the UPS input?
• Is the input fuse blown or have circuit breakers tripped?
• Has UPS start up procedure been followed completely?
If you contact the responsible service representative, please have the following information ready:
• Device information = model
• Order no.
• Consult the label on the left front of the unit.
• Series number as per nameplate
• An exact description of the problem (what loads are being operated, does the problem occur regularly
or sporadically etc.)
For description of the indicators mentioned below see chapter “Control Panel for the Linear Plus
Rack-mount” on page 16
.
Table 10. Troubleshooting
Problem Possible cause Measure
No display
No alarm
(UPS switched off)
Mains switched off Switch on mains switch
No mains voltage present
Have mains inspected by qualified
electrician
Input circuit breaker tripped
Reset circuit breaker. If the problem
persists, contact the responsible
customer service representative.
MAINS indicator does not
illuminate, acoustic alarm
active at intervals
No mains voltage present
UPS operation “Operating modes Linear
Plus Rack-mount” on page 17
MAINS indicator does not
illuminate when mains
voltage present, acoustic
alarm active at intervals
Input circuit breaker tripped
Reset circuit breaker. If the problem
persists, contact the responsible
customer service representative.
ALARM indicator
illuminates, acoustic
alarm active continuously
UPS error
Contact the responsible customer service
representative
Overheating Decrease ambient temperature
Autonomy less than
specified
The fuse switch of the battery
extension(s) is in the “OPEN” position.
Move the fuse switch to the “ON”
position.
Batteries are not fully charged
Charge batteries and test backup time. If
the problem persists, contact the
responsible customer service
representative.
Batteries are defective Contact customer service
Charging device is defective Contact customer service
OVERLOAD LED
illuminates
Overload at UPS output Reduce load to the permissible value
No communication
between UPS and PC
Wrong serial connection cable
Check whether the correct cable has
been used (standard modem/null modem
cables are not permissible)
Interface on the PC is being used by
another process or is defective.
Check whether other software/service is
accessing the interface on the PC; try
selecting a different serial interface.
Interference on the data cable Lay cables differently.