Riello UPS Multi Sentry 160 MST User Manual

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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.

Riello UPS Multi Sentry 160 MST Specifications

General

Brand	Riello UPS
Model	Multi Sentry 160 MST
Category	UPS
Language	English