JRC JFS-280, Instruction Manual

Page: 54 / 328

2 Names and Functions of Parts 2-6
2
Example of status display when an abnormality occurs
Condition
①
Power is
turned on
②
Power is
turned on
③
Power is
turned on
④
When
extending/retra
cting
Display example
Upper =
Retraction limit
Lower =
Extension limit
Explanation of
status Retraction limit
(Disconnected)
Extension limit
(Disconnected)
Retraction limit
(Disconnected)
Extension limit
(Connected) Retraction limit
(Connected)
Extension limit
(Connected)
Explanation of
operations Retraction
operation starts
automatically.
If the retraction
limit does not
change to
"Connected"
within 45 seconds,
the top and
bottom frames
flash, which
indicates hoisting
is abnormal. Retraction starts
automatically
while extended.
If the retraction
limit does not
change to
"Connected"
within 45 seconds,
the top and
bottom frames
flash, which
indicates hoisting
is abnormal. Hoisting abnormal
is displayed at
startup. If operations do not
finish within 45
seconds when
doing retraction or
extension
operations, while
either extended or
retracted, it
indicates hoisting is
abnormal.
If a hoisting abnormal indication appears, immediately set the power to "Disconnected" and check the
hoisting device.