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Hitachi HFC-VWS3EH Series Instruction Manual page 105

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Instantaneous
power
failure
TRIP
(Inst.
P-F)
YES,
Reset
the
unit
or
turn
power
ON again
after
"POWER
OFF"
display
disappears.
2
Review
the
power
system.
YE
Peoria
Mg.
Reset
inverter
and
restart
operation.
Set
the
instantaneous
power
failure
restart
function,
using
SWITCH
1 in the
function
mode.
Isn't
power
turned
ON
again
when
"POWER
OFF"
is displayed?
NO
Is
there
a motor
compressor,
for
example,
which
requires
a large
starting
current
in
the
power
system?
YE
NO
"Is
no
chattering
of Mg at
the
power
side
found
from
main
circuit
terminals
L1,
L2,
L3?
NO
Did
the
power
failure
occur?
NO
Inverter
failure
- 99 -

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