User`s manual
CPS3500&CPS5000 Series
Copyright © 2009 CyberPower Systems, Inc.
13
FAULT WARNING DISPLAY AND ALARM
Fault warning display and alarm
1. Overheat Protection The machine shut down and the LCD display output voltage is zero.
2. Over-Load Protection The machine shut down and Over Load and FAULT Icon lights on the LCD
display.
3. Battery Missing The machine sounds long and rapid beep and Battery icon flashes.
4. The following table shows each corresponding warning message on the LCD display and the alarm
reacts during the machine shut down
LCD
Warning
Display
Alarm
Condition Solution
Over Load Icon Long Beep
Over Load Output-Off - Load
exceed the rating of EPS.
Check total load to
confirm the rating of
EPS.
Battery Icon Flash Rapid Beep
Battery Missing- In Line Mode
Battery Missing.
Turn the EPS off, check
battery wiring and
presence of battery
High Temperature: Output Off
(Over 70 )
Check fans function and
air vent clearances.
Rapid Beep
Low Battery Output-Off
-- Insufficient battery capacity.
Recharge the battery.
Recurring Beep
Over Charge or AVR Error--
In Line Mode, battery is
overcharged or AVR is faulty.
Inform service agents.
Zero Output
Voltage
Long Beep
Short Output-Off -- Output
Short Circuit Protection
Check the EPS output
to see if there is a short
circuit.
Line Input/ Output Error
Output-Off -- incorrect Input/
Output connection
Check Input/ Output
connection.
Can Not Start Up None
Cold Start Battery High
Voltage Output-Off -- the
battery voltage is too high
during cold start.
Check the reason for
battery over-voltage.