Alarms and Events

 

 

 

 

 

 

 

 

 

 

 

11.

Inverter current limiter active

Inverter overload

Reduce UPS output load

 

 

 

 

 

 

12.

Overload. Load exceeding

UPS overload

Reduce UPS output load

 

 

100%

 

 

 

 

 

 

 

 

13.

Second power supply fault

UPS fault

Call for assistance

 

 

 

(only systems > 160kW)

 

 

 

 

 

 

 

14.

Internal power supply fault

UPS fault. Only bypass operation

Call for assistance

 

 

 

possible

 

 

 

 

 

 

 

15.

Battery MCCB is off

Battery MCCB/fuse not closed or

Close MCCB / insert new fuse. If

 

 

 

released

released again -

 

 

 

 

call for assistance.

 

 

 

 

 

 

16.

**Q004 off**

Output switch position for UPS in

 

 

 

parallel

 

 

 

 

 

 

 

17.

**Q003 off**

External bypass switch position

 

 

 

 

 

 

18.

**Q002 off**

UPS output switch position

 

 

 

 

 

 

19.

**Q001 off**

UPS input switch position

 

 

 

 

 

 

20.

High temperature of isolation

Temperature of isolation input/

Check fan, check for airflow

 

 

transformer

output transformer, too high

obstructions, check for overload

 

 

 

 

 

 

21.

High temperature of main

Temperature of static input

Check fan, check for airflow

 

 

static switch

switch, too high

obstructions, check for overload

 

 

 

 

 

 

22.

High temperature of bypass

Temperature of static bypass

Check fan, check for airflow

 

 

static switch

switch, too high

obstructions, check for overload

 

 

 

 

 

 

23.

Main inverter failure

Temperature of main inverter, too

Check fan, check for airflow

 

 

 

high or inverter fuse blown

obstructions, check for overload,

 

 

 

 

check fuse

 

 

 

 

 

 

24.

High temperature of delta

Temperature of delta inverter, too

Check fan, check for airflow

 

 

inverter

high

obstructions, check for overload

 

 

 

 

 

 

25.

Low DC shutdown

Battery discharged to minimum

Ensure battery recharging

 

 

 

permissible level

 

 

 

 

 

 

 

26.

Low DC warning

Battery nearly discharged

Save your data now

 

 

 

 

 

 

27.

Mains momentarily outside

Short disturbances on mains

 

 

tolerance

supply (1 ms transients)

 

 

 

 

 

 

 

28.

Mains outside tolerance

Mains input voltage R.M.S. value

 

 

 

outside tolerance

 

 

 

 

 

 

 

29.

Mains frequency outside

Mains input frequency outside

 

 

tolerance

tolerance

 

 

 

 

 

 

 

30.

Bypass momentarily outside

Short disturbances on bypass

 

 

tolerance

voltage

 

 

 

 

 

 

 

31.

Bypass outside tolerance

Bypass input voltage outside

 

 

 

tolerance

 

 

 

 

 

 

 

32.

Bypass frequency outside

Bypass input frequency outside

 

 

tolerance

tolerance

 

 

 

 

 

 

 

33.

Output momentarily outside

Short disturbance on output

If message reappears -

 

 

tolerance

voltage (inrush current)

call for assistance

 

 

 

 

 

 

 

 

 

990-4034

User Guide APC Silcon 10-40kW 208V/480V UPS

25

Page 25
Image 25
American Power Conversion 10-40kW 208/480V manual Temperature of main inverter, too