90
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY SHOWS
C01
THE JUMPER IS MISSING
FROM THE R.E.P.O.
CONNECTOR
(see “FRONT
VIEWS OF THE UPS”)
OR IT IS
NOT INSERTED CORRECTLY
Assemble the jumper or make sure that it is inserted
correctly.
THE DISPLAY SHOWS
C02
MAINTENANCE BYPASS
ISOLATOR (SWMB)
CLOSED
Open the isolator (SWMB) located behind the door.
THE JUMPER IS MISSING
FROM THE TERMINALS FOR
THE REMOTE MAINTENANCE
BYPASS (J2, “VIEWS OF THE
UPS CONNECTIONS”)
Insert the jumper
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A30, A32, A33, A34
AND THE UPS DOES
NOT START UP
AMBIENT TEMPERATURE
< 0°C
Heat the environment,
wait for the heat sink
temperature to rise above 0°C and then start up the
UPS
FAULT IN
HEAT SINK
TEMPERATURE
PROBE
Activate the maintenance bypass (SWMB), turn the
UPS
off and back on again and exclude the
maintenance bypass. If the problem persists, contact
the nearest service centre
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F09, F10
FAULT IN THE INPUT STAGE
OF THE UPS
Activate the maintenance bypass (SWMB), turn the
UPS off and back on again and exclude the
maintenance bypass. If the problem persists, contact
the nearest service centre
PHASE 1 HAS A MUCH
LOWER VOLTAGE
THAN THE
OTHER TWO PHASES.
Open the SWIN, switch on the UPS from the battery.
Wait for the sequence to be completed and close the
SWIN
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F11, F14, F15, F16, F17,
L06, L07, L08, L09, L14,
L15, L16, L17, L18, L19,
L20, L21, L22
ANOMALOUS LOADS APPLIED
Remove the load. Insert the maintenance bypass
(SWMB), turn the UPS off and back on again. Exclude
the maintenance bypass. If the problem persists,
contact the nearest service centre
FAULT IN THE INPUT OR
OUTPUT STAGE OF THE UPS
Activate the maintenance bypass (SWMB), 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:
F03, F04, F05, A08, A09,
A10
NO CONNECTION ON ONE
OR MORE PHASES
Check the connections to the terminals
INTERNAL PROTECTION
FUSES ON THE PHASES OR
ON THE INPUT RELAY
BROKEN
Contact the nearest service centre
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F42, F43, F44, L42, L43,
L44
INTERNAL PROTECTION
FUSES ON THE BATTERIES
BROKEN
Contact the nearest service centre