33
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY SHOWS
THE FOLLOWING CODE:
A13
PROTECTION DEVICE
UPSTREAM FROM THE
BYPASS LINE OPEN (ONLY IF
BYPASS IS SEPARATE)
Restore the protection device upstream. WARNING:
check that there is no overload or short circuit at the
output of the UPS
BYPASS ISOLATOR OPEN
(SWBYP ONLY IF BYPASS IS
SEPARATE)
Close the isolator.
THE DISPLAY SHOWS
THE FOLLOWING CODE:
F19
BATTERY CHARGER FAULT
Open the battery fuse holders (SWBATT) and insert the
maintenance bypass (SWMB) if present, turn the UPS off
completely. Turn the UPS back on and if the problem
persists, contact the nearest service centre
THE DISPLAY SHOWS
THE FOLLOWING CODE:
A26
BATTERY FUSES BLOWN OR
FUSE HOLDER ISOLATORS
OPEN
Replace the fuses or close the battery fuse holder
isolator (SWBATT). WARNING: if necessary, we
recommend fuses be replaced with others of the same
type.
THE DISPLAY SHOWS
THE FOLLOWING CODE:
U06
THE BATTERIES ARE
DISCHARGED; THE UPS
WAITS FOR THE BATTERY
VOLTAGE TO EXCEED THE
SET THRESHOLD
Wait for the batteries recharging or force start-up
manually.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
L01, L10, L38, L39, L41
FAULT IN:
TEMPERATURE
PROBE OR UPS
COOLING SYSTEM
MAIN
AUXILIARY
POWER SUPPLY
STATIC
BYPASS
SWITCH
Activate the maintenance bypass (SWMB) if present,
turn the UPS off and back on again. Exclude the
maintenance bypass. If the problem persists, contact the
nearest service centre
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A22, F23, L23
THE LOAD APPLIED TO THE
UPS IS TOO HIGH
Reduce the load to below the 100% threshold (or user
threshold for the code A22)
THE DISPLAY SHOWS
THE FOLLOWING CODE:
L26
SHORT CIRCUIT AT OUTPUT
Switch off the UPS.
Disconnect all the devices.
Turn the UPS back on.
Reconnect the devices one by one until the fault is
identified.
THE DISPLAY SHOWS
THE FOLLOWING CODE:
A39
THE BATTERIES HAVE
FAILED THE PERIODIC
EFFICIENCY TEST
It is recommended to replace the batteries of the UPS,
since they ate no longer able to maintain the charge for
a sufficient autonomy.
Warning: The replacement of the batteries must be
carried out by qualified personnel.