11/2015
NT BEA-G6EVO
V3.0
EN
p. 55/58
8. FIRST LEVEL CORRECTIVE ACTIONS
DEPENDING ON THE TYPE OF MOTOR, SOME ANOMALIES COULD BE QUICKLY SOLVE
PROBLEM
POSSIBLE REASON
SOLUTION
CP N°
The electro-valve is powered
up (check using a voltmeter)
but the bollard does not rise.
The air does not reach the
electro-valve.
Check compressor and air circuit.
The pressure regulator is
closed.
Open the pressure regulator.
The electrovalve coil is out of
order.
Replace the coil.
The hydraulic pump is out of
order.
Replace the hydraulic unit.
The compressor is out of order. Replace the compressor.
The bollard rises irregularly.
There are foreign objects in the
guide rail.
Check the cleanness of the guide
rails. Clean and lubricate.
The cylinder is blocked or
deformed.
Check the cylinder. If necessary,
replace it.
Insufficient air pressure.
Check the pressure on the pressure
gauge (from up to 7 bars).
Insufficient oil pressure.
Check for oil leaks.
The bollard surfaces but stop
before reaching the upper
limit-switch.
There are foreign objects in the
guide rail.
Check and clean the guide rails.
The bollard retracts but stops
before reaching the lower limit-
switch.
There is a foreign object under
the bollard head.
Clean the bottom of the casing and
the lower part of the bollard head.
