13
The communication of cabinet inner busbar
3 abnormal.
BSC synchronization wire abnormal.
Table 2-6. Abnormal status and alarm/protection function
Buzzer beeps
slowly.
None
Bypass over-frequency.
Bypass under-frequency.
Bypass phase sequence is wrong.
Bypass lack-phase.
Output circuit abnormal.
Output current DC component is too large.
System card without redundancy.
Environment temperature is too high
Generator fails to start.
Generator fails to shut down.
The communication with touch screen abnormal.
The communication of cabinet
inner busbar 1 abnormal.
The communication of cabinet
inner busbar 2 abnormal.
The UPS will restart and charge the batteries after ensuring
protection for battery under-voltage after mains recover to normal
power supply.
CAUTION
Table 2-6. Abnormal status and alarm/protection function
Buzzer beeps
slowly.
None
The static startup
is not allowed.
ECO output is not allowed.
Mains power supply
is not allowed.
It turns to float charge. Charge
current-limiting value is 0.05C
Charge is not allowed.
Alarm action
Battery low-temperature alarm.
PFC software version is in conformity.
INV software version is in conformity.
System card X-software version is in conformity.
The parallel address repeated.
Cabinet amount is not right.
ECO voltage out of range.
High battery temperature alarm.
Battery over-temperature.
ECO frequency out of range.
Mains power down.
Mains over-voltage.
Mains under-voltage.
Mains voltage inbalance is too large.
Mains over-frequency.
Mains under-frequency.
Mains phase sequence is wrong.
Mains lack-phase.
Mains over-current.
Mains current DC component is too large.
Protection action
Fault name
Alarm action
Protection action
Fault name