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Barrier arm keeps going up and down
Limit switch fault
check and reset limit switches
Barrier creaking when moving
Check turn buckle
Oil or grease turn buckle
Barrier motor not running
Loss of voltage
Check motor supply test 3 phases
Barrier not raising or lowering
Drive shaft connections
Re-connect any drive shaft connections
Barrier not raising or raising half way
Gearbox
Gears stripped due to overloading replace
Barrier raises slowly and lowers too fast
Lack of balance counter weight compensation
Fit counter weights
Barrier not running at all
Door has been left open or switch not pushed in
Close the door and issue a signal to open or
close
Barrier raised will not lower
Key switch is left in open position
Turn key switch to auto
Loop fault or loop detecting
Check if green light is on detector if so remove
object that it is detecting or replace loop
MECHANICAL ERRORS
CAUSE
CORRECTION
Troubleshooting Guide
in
Parking and access control equipment manufactured in the UK
Automatic Raise Arm Barriers
40
Inverter Fault detection codes that cannot be reset automatically (continued)
Code
Name
Possible causes
Remedy
OCF
Overcurrent
• Parameters in the
Motor control
menu
drC-
page
55
are not
correct
• Inertia or load too high
• Mechanical locking
• Check the parameters
• Check the size of the motor/drive/load
• Check the state of the mechanism
• Connect line motor chokes
• Reduce the
Switching frequency
SFr
page
57
• Check the ground connection of drive, motor
cable and motor insulation.
SCF1
Motor short circuit
• Short-circuit or grounding at the
drive output
• Ground fault during running status
• Commutation of motors during
running status
• Significant current leakage to
ground if several motors are
connected in parallel
• Check the cables connecting the drive to the
motor, and the motor insulation
• Connect motor chokes
SCF3
Ground short circuit
SCF4
IGBT short circuit
• Internal power component short
circuit detected at power on
• Contact your local Schneider Electric
representative
SOF
Overspeed
• Instability
• Overspeed associated with the
inertia of the application
• Check the motor
• Overspeed is 10% more than
Maximum
frequency
tFr
page
55
so adjust this
parameter if necessary
• Add a braking resistor
• Check the size of the motor/drive/load
• Check parameters of the speed loop (gain
and stability)
tnF
Auto-tuning
• Motor not connected to the drive
• One motor phase loss
• Special motor
• Motor is rotating (being driven by
the load, for example)
• Check that the motor/drive are compatible
• Check that the motor is present during auto-
tuning
• If an output contactor is being used, close it
during auto-tuning
• Check that the motor is completely stopped
Содержание PF6000
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