35
S
TATUS
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A
LARM CODES
By using a sophisticated self-diagnostic system, this UPS can check and indicate on the display panel its status and any error
and/or fault occurred during operation. Whenever a problem arises, the UPS signals the event by showing the code and the
corresponding alarm on the display.
Commands:
these codes indicate that a command has been activated.
CODE
DESCRIPTION
C01
Remote switch-off command
C02
Remote load on bypass command
C03
Remote start-up command
C04
Battery test running
C05
Manual bypass command
C06
Emergency switch-off command
C08
Load on bypass command
User messages:
these messages refer to a specific configuration or operation of the UPS.
CODE
DESCRIPTION
U01
Low battery warning
U02
Programmed switch-off enabled
U03
Programmed switch-off imminent
U04
Bypass disabled
U05
Synchronisation disabled (UPS in Free running mode)
U06
Waiting for battery charging
U07
Service UPS
U08
Service Batteries
Anomalies:
these are “minor” problems, which do not bring the UPS to a halt, but can reduce its performance or
inhibit the use of some of its functions.
CODE
DESCRIPTION
A03
Inverter not synchronised
A05
Overvoltage on input line of Phase1
A06
Overvoltage on input line of Phase2
A07
Overvoltage on input line of Phase3
A08
Undervoltage on input line of Phase1
A09
Undervoltage on input line of Phase2
A10
Undervoltage on input line of Phase3
A11
Input frequency outside tolerance limits
A13
Voltage on bypass line of Phase1 out of tolerance limits
A16
Bypass frequency out of tolerance limits
A18
Voltage on bypass line out of tolerance limits
A22
Load on Phase1 > user-defined threshold
A25
Output isolator open
A26
Positive branch batteries missing or battery fuses open
A29
System temperature probe damaged
A30
System temperature < 0°C
A31
System temperature too high
A32
Temperature of heat sink Phase1 < 0°C
A37
External battery temperature probe damaged
A38
External battery overtemperature
A39
Positive branch batteries must be replaced