6.2
Fault Diagnosis / Fault Rectification
The PROTECT C.R generates detailed error messages.
Support personal can localise and interpret faults quickly and
precisely.
6.2.1
Error Messages
Problem Cause Solution
UPS does not start. No
indication, no warning tone
even though system is
connected to mains power
supply.
Mains and battery voltage
not in the tolerance range,
possible battery deep
discharge.
Check building wiring
socket outlet and input
cable.
LED AC INPUT flashes and
audible alarm sounding
every 3 minutes.
Phase and neutral
conductor at input of UPS
system are reversed.
Rotate mains power
socket by 180° or
connect UPS system.
LED AC INPUT flashes and
LED “Bat.” lights up.
Input power and/or
frequency are out of
tolerance.
Check input power
source (Voltage,
frequency) and inform
house electrician if
necessary.
LED AC INPUT and LED
BYPASS light up even
though the power supply is
available. No supply of
connected loads.
Inverter not switched on.
Press On-Switch “ON”
for about 2 seconds.
LED UPS ON and LED
BATTERY lights up, and
audible alarm sounding
every 4 seconds.
Mains power supply has
failed. Automatic switch to
battery mode.
Try to replace mains
supply (possibly
triggered fuse in sub
distribution). When
audible alarm sounding
every second, battery
is almost empty. At this
point it is time to
proceed with an system
shutdown of all you IT
equipment.
LED ALARM lights, warning
tone once a second.
Overload of the UPS
system.
Reduce utilizations of
UPS by removing loads
of UPS output.
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Summary of Contents for PROTEC C. 1000 R(S)
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