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™
| Liebert® EXL
™
S1 Touchscreen Control User Manual | 71
Inverter
Alar
m
The inverter is off
26-
027
—
Inverter
Alar
m
Inverter pending off command
26-
028
—
Inverter
Alar
m
Inverter overload
26-
031
Set when the overload timeout has reached 100%.
This triggers the request to transfer to bypass
with default configuration.
Inverter
Alar
m
Overtemperature Phase U-A 26-101
Set when Phase U temperature is greater than the
value specified by P 151.
Inverter
Alar
m
Overtemperature Phase V-B
26-
102
Set when Phase V temperature is greater than the
value specified by P 151.
Inverter
Alar
m
Overtemperature Phase W-C
26-
103
Set when Phase W temperature is greater than
the value specified by P 151.
Inverter
Alar
m
Overtemperature B Phase U-A 26-119
Set when Phase U temperature is greater than the
value specified by P 151.
Inverter
Alar
m
Overtemperature B Phase V-B
26-
120
Set when Phase V temperature is greater than the
value specified by P 151.
Inverter
Alar
m
Overtemperature B Phase W-C 26-121
Set when Phase W temperature is greater than
the value specified by P 151.
Inverter
Alar
m
DC Overvoltage 26-137
Set when DC bus voltage crosses the maximum
threshold P753.40 for P753.41 time.
Load
Alar
m
Output Switch Open
27-
009
The output breaker MOB is open.
Load
Alar
m
Load is currently not supplied
27-
010
Monolithic only: UPS is not supplying the load
Load
Alar
m
Retransfer is inhibited 27-011
Load transfer to inverter inhibited due to overload
(to be verified with overload specification).
MUN
Alar
m
CAN Communication Loss
28-
008
Set when CAN telegram are not received for
10 seconds.
Reset when a general stage telegram is received.
MUN
Alar
m
UPS Model cannot be identified
28-
056
UPS model not detected.
Rectifier
Statu
s
Rectifier is off
02-
000
—
Rectifier
Alar
m
Rectifier Input Switch Open
22-
014
—
Rectifier
Alar
m
Rectifier mains failure 22-015 Warning set after the delay defined by P1110.
Rectifier
Alar
m
Wrong phase rotation 22-017 Input line phase rotation is incorrect.
Rectifier
Alar
m
DC voltage low
22-
018
DC link voltage under the threshold defined by
P1135.2, causing PWM inhibition.
Rectifier
Alar
m
Out of synchronization
22-
020
During the rectifier running it causes the rectifier
to stop temporarily.
Rectifier
Alar
m
Peak Input Voltage 22-021
Mains voltage high peak detector trips when
instantaneous voltage exceeded the limit defined
by P 1140.i05.
Rectifier
Alar
m
Overtemperature Phase U-A
22-
061
Set when Phase U temperature is greater then P
1151 setting (Def = 80°C)
Table 10 All Liebert® EXL™ S1 Alarms (continued)
Component Type Text Display ID Description
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