Aros Flexus FM, Руководство пользователя

Страница: 45 / 51

- 96 -
PROBLEM POSSIBLE CAUSE SOLUTION
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A39, A40
AND THE RED
“REPLACE BATTERIES”
LED IS ON
THE BATTERIES DID NOT
PASS THE PERIODIC
EFFICIENCY CHECK
It is advisable to replace the UPS batteries, as they are
no longer able to provide adequate backup power to the
load.
Warning: The batteries must be replaced by
qualified staff
ƒ ENVIRONMENTAL
TEMPERATURE HIGHER
THAN 40°C
ƒ SOURCES OF HEAT
NEAR THE UPS
ƒ AIR VENTS OBSTRUCTED
OR TOO NEAR THE WALL
Activate the maintenance bypass (SWMB) without
switching the UPS off, so that the fans will cool the heat
sink faster. Remove the cause of the overheating and
wait until the temperature of the heat sink lowers.
Exclude the maintenance bypass.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F34, F35, F36, L34, L35,
L36
MALFUNCTION OF THE
TEMPERATURE SENSOR OR
OF THE UPS COOLING
SYSTEM
Insert the maintenance bypass (SWMB) without
switching off the UPS, so that the fans continue to
operate and cool the heat sink faster. Wait until the
temperature of the heat sink lowers. Switch off and
restart the UPS. Exclude the maintenance bypass. If
the problem persists, call the nearest service centre.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F37, L37
ƒ ENVIRONMENTAL
TEMPERATURE HIGHER
THAN 40°C
ƒ SOURCES OF HEAT
NEAR THE UPS
ƒ AIR VENTS OBSTRUCTED
OR TOO NEAR THE WALL
ƒ MALFUNCTION OF THE
TEMPERATURE SENSOR
OF OT THE BATTERY
CHARGER COOLING
SYSTEM
Remove the cause of the overheating.
Open the fuse holder switches (SWBATT) and wait until
the temperature of the battery charger heat sink lowers.
Close the battery fuse holders. If the problem persists,
contact the nearest service centre.
WARNING: never open the SWBATT fuse holders
when the batteries are operating.
NOTHING APPEARS ON
THE DISPLAY OR IT
SHOWS WRONG
INFORMATION
POWER SUPPLY PROBLEMS
FOR THE DISPLAY
Activate the maintenance bypass (SWMB) without
opening the INPUT/OUTPUT switches.
Turn off the 1/0 switch located behind the door, wait for
a few seconds and then turn it on again.
Restart the UPS. Exclude the maintenance bypass. If
the problem persists, contact the nearest service
centre.
THE DISPLAY AND THE
FANS ARE OFF BUT THE
LOAD IS POWERED
DUE TO A MALFUNCTION OF
THE AUXILIARIES, THE UPS IS
OPERATING ON BYPASS
SUPPORTED BY THE
REDUNDANT POWER SUPPLY
UNIT.
Activate the maintenance bypass (SWMB). Set the 1/0
switch to “0”. Wait for a few seconds. Return the 1/0
switch to “1”. Try to restart the UPS.
If the display does not light up or the sequence fails,
contact the nearest service centre, leaving the UPS in
manual bypass mode.