- 99 -
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A13, A14, A15
BYPASS LINE UPSTREAM
PROTECTION OPEN (WITH
SEPARATE BYPASS ONLY)
Reset upstream protection. CAUTION: check that there
is no output overload or shortcircuit.
BYPASS SWITCH OPEN
(SWBYP)
Close switch located behind the door.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F19, F20
BATTERY CHARGER
MALFUNCTION
Insert manual bypass (SWMB), completely switch off the
UPS, open the switch/fuses on the external UPS battery
line. Restart the UPS and contact the nearest service
centre if this problem persists.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A26, A27
BATTERY FUSES
INTERRUPTED OR
SWITCHES/FUSES OPEN
Replace fuses or close the external UPS battery line
switch/fuses. CAUTION: if necessary, replace fuses with
other of the same type (see the enclosed "
Installation
Instructions
")
THE DISPLAY SHOWS
CODE S07
THE BATTERIES ARE FLAT;
THE UPS IS WAITING FOR
THE BATTERY VOLTAGE TO
EXCEED THE SET
THRESHOLD
Wait until the batteries have recharged or force power-
on manually via the “ON” menu.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F06, F07, F08
INPUT SWITCH
SHORTCIRCUITED
Operate the manual bypass (SWMB), switch the UPS
off, open SWIN and contact your local service centre
(caution: once SWIN has been opened, it cannot be
closed before the service centre works on the system).
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
L01, L10, L38, L39, L40,
L41
MALFUNCTION:
OF THE
TEMPERATURE
SENSOR OR UPS
COOLING SYSTEM
MAIN AUXILIARY
POWER
STATIC BYPASS
SWITCH
Activate manual bypass (SWMB), switch off and re-start
the UPS. Exclude manual bypass. Contact the nearest
service centre if this problem persists
THE DISPLAY SHOWS:
F36
COOLING FAN MALFUNCTION
Activate manual bypass (SWMB), switch off and re-start
the UPS. Exclude manual bypass. Contact the nearest
service centre if this problem persists
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A22, A23, A24, F23, L23,
L24, L25
THE LOAD APPLIED TO THE
UPS IS TOO HIGH
Reduce the load to within the threshold of 100% (or user
threshold in the case of code A22,A23,A24).
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
L26, L27, L28
SHORT-CIRCUIT IN OUTPUT
Switch off the UPS.
Disconnect all utilities related to the short-circuited
phase.
Switch the UPS back on.
Reconnect utilities once the fault has been identified.
Summary of Contents for SEMIS T33
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