Intelligence Aided Lifting Equipment
68
described in 7.3 Handle Holder Calibration.
The equipment can
move
downwards
only
1.
Caused
by
parameter setting;
2. The load weight
exceeds
the
rated
lifting capacity of the
equipment;
3. Caused by the
sensor.
Check the setting of the upper limit in the
software limit menu.
Check whether it is in the hardware upper limit
position.
Check whether it is in overload status.
Check
whether
the
value
will
change
significantly (from correct to incorrect) when
operating the handle to move downwards from
the central position in emergency stop mode in
“Service” > “Handle Holder Calibration” menu.
Significant change means the analog quantity
sensor is normal.
The equipment can
move upwards only
1.
Caused
by
parameter setting;
2. Caused by hardware
limit;
3. Caused by the
sensor.
Check the setting of the lower limit in the
software limit menu.
Check the menu “Service” > “Hardware
Diagnostics” > “Steel Wire Rope Loose Signal”
is “on”. When it is “on”, the equipment cannot
be operated downward due to program
protection.
Check whether it is in the hardware lower limit
position;
Check
whether
the
value
will
change
significantly (from correct to incorrect) when
operating the handle to move downwards from
the central position in emergency stop mode in
“Service” > “Handle Holder Calibration” menu.
Significant change means the analog quantity
sensor is normal.
The
suspension
function cannot work
normally
1.
Caused
by
parameter setting;
2. The way to enter the
suspension mode is
wrong.
Check whether the equipment is working
properly in the handle gripping mode.
Check whether the “Suspension Function” >
“Suspension Function Switch” menu is in “On”
status.
Check whether the main interface is in