PROBLEM
UPS unable to start, led (a)
out. (**)
UPS unable to start, led (c)
out.
UPS always in "battery dis-
charge" (autonomy mode). Led
(c) active, with acoustic alarm
modulated every 4 sec..
Autonomy excessively short.
Permanent alarm.
Red Led (g) light.
(*) A.S.S.: After Sales Service.
Batteries.
Battery: ................................................................................ Pb-Ca, sealed, maintenance-free.
Recharge time: ................................................................... Approx. 8 hours at 90 % after the end of autonomy.
Autonomy at half load: ....................................................... See table 2.
Battery protection: ............................................................... Automatic auto-test and discharge protection, indicator
Protections and filters.
Input protection: .................................................................. Fuse or magnetic thermal switch, depending on model.
Short circuit protection: ...................................................... Cuts the output voltage immediately or triggering on input
CAUSA POSSIBLE
Incorrect input plug (1) polarity. (**)
Pushbutton (6) not activated or pressed for
too short a time.
Low battery voltage.
Failure of the electronic power unit.
Short-circuit or overload on the output of
the UPS.
Input cable not connected.
Triggering of the fuse or MCB switch (5).
Line voltage too high, too low or mains
failure.
Failure of the electronic power unit.
Batteries not fully charged.
Failure of the electronic power unit.
High overload.
See section 8.1, Led "Fault" (g).
Table 1. Fault localisation.
- 31 -
Follow the procedure established in sec-
tion 6.1.2. (**)
Press pushbutton (6) as described in
chapter 7.1.
Recharge the UPS for at least 8 h.
Contact A.S.S.. (*)
Shutdown the UPS, verify or reduce
the load and restart the system.
Connect the cable.
Shutdown the UPS. Replace the fuse/
Activate the MCB switch and restart the
system.
Normal condition with mains failure.
Led (a) out or intermittent.
Contact A.S.S.. (*)
Recharge the UPS for at least 8 h.
Contact A.S.S.. (*)
Reduce load.
Depend of the case.
(**) Only in devices with the optional (P).
battery replacement.
protection.
ACTION TO TAKE