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Hitachi HFC-VWS3EH Series Instruction Manual page 107

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Overload
(Over
L)
Is
the
electronic
thermal
level
in
the
function
mode
set
correctly?
NO
Set the level
to a proper
level.
YES
Is
the
load
too
heavy?
Reduce
the
load
or
in-
crease
the
motor/in-
verter
capacity.
YES
Inverter
failure
Overvoltage
TRIP
(Over
V)
Is
the
declera~
tion
time
too
short
for
the
magnitude
of
load
GD 7
The
deceleration
time
set-
ting
should
be
longer.
Or use
the
regenerative
braking
unit.
Change
the
wiring
system
with
the
phase
advance
capacitor.
Are
the
phase
advance
capacitors
connected
to
input
lines
nearby?
YES
NO
Inverter
failure
-
101
-

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