8-2
PowerWAVE 9000 DPA UPS - Troubleshooting
(Issue 2.1 Oct. 2009)
8.3 Fault Identification and Rectification Messages and Alarms
8.3.1 Messages
Messages will not appear automatically on the LCD as they occur, but will
be recorded in the Event Log, with the time and date of their occurrence.
Alarm Condition
Meaning
Suggested Solution
UPS FAULT
There is a fault in the UPS and
therefore normal operation cannot be
guaranteed
Call the authorised service centre for
assistance
MAINS BYP/RECT
FAULT
Mains power supply is outside
prescribed tolerance
The input power to UPS is too low or
missing.
If site power appears to be OK, check the
input circuit breakers etc. supplying the
UPS
OUTPUT SHORT
There is a short circuit at the output of
UPS (on load side)
Check all output connections and repair
as required.
OVERLOAD
Load exceeds the UPS rated power
Identify which piece of equipment is
causing the overload and remove it from
the UPS.
Do not connect laser printers,
photocopiers, electric heaters, kettles etc.
to the UPS
OVERTEMPERATURE
UPS temperature has exceeded the
allowed value
Check the ambient temperature of the
UPS is less than 30° C.
If the ambient temperature is normal call
the authorised service centre for
assistance.
BATTERY CHARGER
OFF
The attached battery and the battery
charger set-up do not correspond or
battery charger fault
Call the authorised service centre for
assistance.
INVERTER FAULT
Inverter is faulty.
Call the authorised service centre for
assistance.
SYNCHRON FAULT
The inverter and mains are not
synchronised.
The frequency of the input voltage to the
UPS is outside operational limits and the
UPS static bypass has been temporarily
disabled.
BATTERY IN
DISCHARGE
Battery is near end of autonomy
Shutdown load connected to UPS before
the UPS switches itself off to protect its
batteries
MANUAL BYP IS
CLOSED
Maintenance Bypass closed. Load
supplied by mains
This alarm is only displayed if the UPS is
on Maintenance Bypass
