Alarms and Events

5.3Possible Alarms

NOTICE!

Please note mains = utility

 

 

Alarms

Description

Action

 

 

 

 

1.

Peak current limiter active

Peak current limiter activated and

Check for blown fuses in

 

 

 

UPS switched to bypass

installation

 

 

 

operation.

 

 

 

 

System overload

 

 

 

 

 

2.

Bypass power supply fault

Fault in redundant PSU for

Call for assistance

 

 

 

bypass. UPS still 100% able to

 

 

 

 

operate in all modes.

 

 

 

 

 

3.

Delta current limiter active

Input current limiter activated and

Check for overload.

 

 

 

UPS switched to bypass

If message is repetitive -

 

 

 

operation

call for assistance

 

 

 

 

4.

Faulty fan

Blocked or faulty fan

Remove blocking or replace fan

 

 

 

 

5.

High DC warning

Switching off big output load

If alarm is repeated, reduce load

 

 

 

 

change

 

 

 

 

6.

High DC shutdown

UPS fault

Call for assistance

 

 

 

 

7.

Off-button activated

Off button or emergency power

 

 

 

shut down activated

 

 

 

 

 

8.

Synchronization error

UPS unable to synchronize with

Check if phase rotation of mains

 

 

 

input frequency

input voltage is correct. If OK, call

 

 

 

 

for assistance

 

 

 

 

9.

Inverter voltage error

Inverter average voltage outside

 

 

 

limits (normal message during

 

 

 

 

system start-up/switch-off

 

 

 

 

 

10.

Parallel synchronization

Parallel UPS unable to

Check external parallel cables -

 

 

error

synchronize

call for assistance

 

 

 

 

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

 

 

 

 

 

990-4035

User Guide APC Silcon 60-80kW 208V/480V UPS

25

Page 25
Image 25
APC 60-80KW 208/480V UPS manual Possible Alarms, Alarms Description Action

60-80KW 208/480V UPS specifications

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The APC 60-80KW UPS also includes an intelligent battery management system that maximizes battery life by monitoring and adjusting charging cycles. It employs a hot-swappable battery design, enabling maintenance and replacements without interrupting power to critical systems. This ensures that organizations can maintain uptime while managing their UPS effectively.

The UPS is equipped with an advanced monitoring system that provides real-time visibility into power conditions and UPS performance. An intuitive graphical display allows users to easily track key metrics, while remote management capabilities ensure that the UPS can be monitored and controlled from anywhere, enhancing operational efficiency.

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