PWM SERIES - User Manual
Page
VSi-PWM-2018-06
25
http://www.VSi.
UK
.com
Symptom
Possible Cause
Remedy
Display ’INV’ Indicator is
not illuminated.
Output Voltage is not
Stable.
1) Input Voltage has
exceeded the
permissible input
voltage window.
2) System is on automatic
Bypass or in Manual
Bypass Mode.
Check input voltage and
ensure voltage is within
the permissible window.
Clear the reason for the
system
being
on
automatic bypass and if
appropriate turn off the
Manual Bypass, following
the instructions given in
Section 5.6
.
If the unstable output
voltage condition still
exists, please seek advice
from the dealer from
whom the Stabiliser was
purchased, or get in touch
with your local
VSi
Support Centre.
Display ‘BYPASS’ indicator
is illuminated.
1) Actual load current
exceeds the model’s
stated maximum rating.
Reduce the loading on the
unit.
On
overload
clearance the system
should automatically re-
engaged the inverter to
deliver a stable output
voltage.
If you are unable to clear
the Bypass indicator,
please seek advice from
the dealer from whom the
Stabiliser was purchased,
or get in touch with your
local
VSi
Support Centre.
