PWM SERIES - User Manual
Page
VSi-PWM-2018-06
23
http://www.VSi.
UK
.com
6. Troubleshooting
Symptom
Possible Cause
Remedy
Display ‘LINE’ indicator is
not illuminated
1)
Extremely irregular
power being is
being supplied
from the utility
mains supply.
Ensure the level of the
input voltage is within the
permissible input voltage
window of the stabiliser.
Switch off all Breakers
then try re-starting the
Stabiliser by following the
Start-up procedure.
If the ‘
LINE
’ indicator still
does not illuminate please
seek advice from the
dealer from whom the
stabiliser was purchased,
or get in touch with your
local
VSi
Support Centre.
Display ‘FAULT’ indicator
is illuminated.
1) System is
overloaded.
2) Output Voltage
exceeds ±18.18%.
3) Another Abnormal
Fault condition is
present.
Reduce the load.
Restart the Stabiliser.
Follow the power down
sequence, pause and then
try
re-starting
the
Stabiliser following the
Power up sequence.
If the ‘
FAULT
’ indicator is
still illuminated please
seek advice from the
dealer from whom the
Stabiliser was purchased,
or get in touch with your
local
VSi
Support Centre.
