McHale
991L
Round Bale Wrapper
72
15.1.4 Control box
15.1.5 Hydraulics
15.1.6 Remote control
Symptom
Reason
Solution
Control box not counting
Sensor damaged
Locate and replace
Magnet broken
Locate and replace
Sensor - magnet clearance Adjust sensor approx. 10-
15 mm from magnet
Faulty control box
Replace control box
“LOW BATT” appears on
the control box
Supply voltage too low
Check battery and
charging system
Only half the number of
actual rotations is
displayed on the control
box
One set of magnets
missing
Replace the missing set of
magnets
Control box will not switch
to “auto” setting
Loom not connected to the
box
Connect loom
Symptom
Reason
Solution
Hydraulics under pressure
when the wrapper is idle
Valve set to closed centre
on open centre system
Change the setting
Hydraulic system vibrating
Incorrect valve setting for
the tractor is being used
Set the valve to suit the
tractor hydraulic system
being used
Symptom
Reason
Solution
Remote control receiver
not accepting a signal
Not connected properly
Check on the rear of the
control box
Batteries exhausted on the
handpiece
Replace the batteries
Not pressing the Start
button for long enough
Press the button for 2 to 3
seconds
Sunlight shining direct into
the receiver (infrared type
receivers only)
Turn away or shade
Operating through tinted
glass (infrared type
receivers only)
Operate where glass
cannot come in the way
