© Jan 2022 6-38 0607SE Maintenance Manual
REPAIR
Problem Cause Solution
• The hydraulic valve is malfunctioning.
Tilting warning
The level switch is abnormal
• The level switch air bubble is not in the middle
position.
• The level switch is not connected properly or firmly.
• The ground controller is malfunctioning.
No overload warning
The load has not been
calibrated or the height is
incorrect
• The sensor has not been calibrated.
• The wiring of the load sensor is incorrect.
• The sensor is not in good condition.
The machine moves
and then stops
intermittently
The battery level is low/the
calibration is incorrect
• Re-calibrate the parameters.
• The battery is out of power. The electricity meter
only can be referred.
After setting, the
parameters could not
be saved successfully
after several trials.
The storage is abnormal
• The parameters cross the line.
• The lower platform controller is malfunctioning.
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