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98
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PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY SHOWS
C05
MANUAL BYPASS SWITCH
(SWMB) CLOSED
If the switch (SWMB) located behind the door was not
closed intentionally, open it
NO JUMPER ON TERMINALS
FOR REMOTE MAINTENANCE
BYPASS (See "In/Out
connection access")
Insert the jumper or, if an additional auxiliary contact is
present, follow directions described in paragraph
"Remote Maintenance Bypass"
THE DISPLAY SHOWS
A01
INCORRECT DATA
CONFIGURATION
INCORRECT DATE AND
TIME
INCORRECT MINIMUM
AUTONOMY SETTING
INCORRECT MAXIMUM
BATTERY CHARGER
CURRENT SETTING
Check the settings
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
A30, A32, A33, A34
THE UPS WILL NOT
START UP
AMBIENT
TEMPERATURE < 0°C
Heat up the room, wait for dissipater temperature to
exceed 0°C and start up the UPS
DISSIPATOR TEMPERATURE
SENSOR FAULT (DISSIPATOR
TEMPERATURE < 0°C)
Activate manual bypass (SWMB), switch off the UPS,
re-start the UPS and exclude manual bypass. Call the
nearest service centre if this problem persists.
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F09, F10
UPS INPUT STAGE
MALFUNCTION
Activate manual bypass (SWMB), switch off and re-start
the UPS. Exclude manual bypass. Contact the nearest
service centre if this problem persists
Phase1 VOLTAGE MUCH
LOWER THAN THE OTHER
TWO PHASES.
(VOLTAGE IMBALANCE)
Open the SWIN, switch on batteries, wait for sequence
completion 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
INSERTION OF ABNORMAL
LOADS
Remove load. Insert manual bypass (SWMB), switch off
and re-start the UPS. Exclude manual bypass. Call the
nearest service centre if this problem persists.
UPS INPUT OR OUTPUT
STAGE 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:
A08, A09, A10
NO CONNECTION ON ONE OR
MORE PHASES
Verify terminal connections
FUSES BROKEN INSIDE
PROTECTIONS ON INPUT
PHASES
Call the nearest service centre
THE DISPLAY SHOWS
ONE OR MORE OF THE
FOLLOWING CODES:
F42, F43, F44, L42, L43,
L44
FUSES BROKEN INSIDE
PROTECTIONS ON
BATTERIES
Call the nearest service centre
Summary of Contents for Multi Sentry 160 MST
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