37
Power overload
Fault (Red) LED is Flash
2 beeps every 1 second
Code: A041
Power requirements exceed
the UPS capacity
Remove some of the
equipment from the UPS.
The UPS will continue to
operate but may switch to
Bypass mode or shut down
if the load increases.
The alarm resets when the
output load is reduced.
UPS over temperature
Fault (Red) LED is On.
Beep continuous.
Code: F081
The UPS internal heat sink
temperature is too high or a
fan has failed.
At warning level the UPS
generates the alarm but
remains normal or battery
mode.
If the temperature rises
another 2°C the UPS transfers
to Bypass mode or Standby
mode.
Clear vents and remove
any heat sources. Allow
the UPS to cool and ensure
the airflow around the UPS
is not restricted then
restart the UPS.
If the condition continues
to persist contact your
service representative.
ON Maintenance Bypass
Bypass (Orange) LED is
on.
Code: A072
UPS was manually
commanded to switch to
bypass and will remain in
bypass until commanded out
of bypass
Check the maintain bypass
switch status
In HE Mode
Line (green) LED is on.
Code: E063
The UPS is on bypass while
operating on the High
efficiency setting.
The equipment transferred
to bypass utility power as a
normal function of High
Efficiency operation.
Battery mode is available
and your equipment is
protected.
Site Wiring Fault
Fault (Red) LED is flash
1 beep every 1 second
Code: A004
Site Fault detection is
supported on all models
anytime there is a Grounded
Neutral connection.
Alarm triggers when the
difference between ground
and neutral voltage is > 15v.
Site Fault detection should
be enabled by default. It
can still be enabled and
disabled from the LCD
settings menu.
Reconnect all input wires.
Summary of Contents for C500
Page 10: ...2 2 Presentation Front panel ...
Page 13: ...5 Circuit diagram ...
