PROBLEM
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A39, A40
AND THE RED
"REPLACE BATTERIES"
LED IS ON
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F34, F35, F36, L34, L35,
L36
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F37, L37
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
L11, L12, L13
THE DISPLAY IS BLANK
OR GIVES INCORRECT
INFORMATION
THE DISPLAY IS OFF,
FANS ARE OFF BUT THE
LOAD IS POWERED
IV332 Rev.001 SIEL S.p.A.
Data di emissione: 2012-06-04
POSSIBLE CAUSE
BATTERIES HAVE NOT
PASSED THEIR PERIODIC
EFFICIENCY TEST
AMBIENT TEMPERATURE
EXCEEDING 40°C
SOURCES OF HEAT
NEAR THE UPS
VENTILATION SLITS
OBSTRUCTED OR TOO
CLOSE TO WALLS
TEMPERATURE SENSOR OR
UPS COOLING SYSTEM
MALFUNCTION
AMBIENT TEMPERATURE
EXCEEDING 40°C
SOURCES OF HEAT
NEAR THE UPS
VENTILATION SLITS
OBSTRUCTED OR TOO
CLOSE TO WALLS
TEMPERATURE SENSOR
OR BATTERY CHARGER
COOLING SYSTEM
MALFUNCTION
STATIC BYPASS BREAKAGE
OR MALFUNCTION
THE DISPLAY IS HAVING
POWER PROBLEMS
AUXILIARY POWER
MALFUNCTION.
THE UPS IS IN BYPASS
SUPPORTED BY A
REDUNDANT POWER
ADAPTER.
SOLUTION
It is advisable to replace UPS batteries since they are
no longer able to maintain load for a sufficient
autonomy.
Attention: Battery replacement must be performed
by qualified personnel
Activate manual bypass (SWMB) without switching off
the UPS. In this way, the fans can cool the dissipator
more quickly. Remove the cause of over-temperature
and wait for dissipator temperature to lower. Exclude
manual bypass.
Insert manual bypass (SWMB) without switching off the
UPS so that fans can cool the dissipator more quickly.
Wait for dissipator temperature to lower. Switch off and
then re-start the UPS. Exclude manual bypass. Contact
the nearest service centre if this problem persists
Remove the cause of over-temperature.
Insert manual bypass (SWMB) without switching off the
UPS and wait for battery charger temperature to lower.
Exclude manual bypass. Contact the nearest service
centre if this problem persists
Activate manual bypass (SWMB). Switch off the UPS,
wait one minute and then re-start the UPS. Exclude
manual bypass. Contact the nearest service centre if
this problem persists
Close Manual Bypass (SWMB) keeping closed INPUT
and OUTPUT switches.
Open input switch (SWIN and SWBYP) and wait until
UPS is completely turned OFF.
Turn ON SWIN and SWBYP again and verify display
regular operation. Exclude the maintenance bypass. If
the fault persists, contact the nearest technical support
centre.
Activate manual bypass (SWMB). Switch off the UPS,
wait one minute and then re-start the UPS. If the
display does not switch back on or the sequence fails,
contact the nearest service centre leaving the UPS in
manual bypass.
Pag. 104 di 272 + FR