Quick installation manual for Brushless DC motor drive. Model BLD15___Versione 01/19
9
DIAGNOSTIC AND TROUBLE SHOOTING
Alarms mean certain dangerous conditions (for the drive or the mechanism) that the drive is able to verify
and, in the case, to interrupt operation.
LED 2 (red) indicates alarm in progress, while the LED 3 (yellow), is used to identify the type of alarm;
depending on the number of flashes it indicates a different problem.
N° Flashes
Description
Possible solutions (in order)
1
The sequence of the Hall
signals is not correct and
the drive is not able to
determine the correct
sequence of the phases.
• Check wire (colors) sequence of the Hall, they must be
exactly as per the manual.
• Check that the cables are properly inserted into the
connector.
• Contact technical department Intecno srl.
2
Short circuit. The drive is
delivering the current in
an excessive way.
• Recheck that the power and signal cables are properly
connected (according to the colors shown in this manual).
• Check that the motor is free to rotate.
• Check that the load on the motor does not exceed the
motor nameplate data (including radial loads of potential
pulleys and belts).
• Disconnect the motor and try to run without the motor,
if the alarm persists.
• Contact technical department Intecno srl.
3
too low voltage level (<18
V)
• Check the quality of power source.
• Check the voltage level of the source.
• Make sure the power supply is adequate.
• Ensure proper cable section and length.
4
too high level voltage
(>80V)
• Check the voltage level of the power source.
• Check that the load is not inertial one, in which case make
longer the deceleration ramp.
5
Sudden motor block
• Check the mechanics of the application
6
Power failure Hall
• Check the connection of the signals and power Hall and
the connection of the connector.
Problematic Vibrations:
Vibrations
Possible solutions
the motor vibrates visibly and it also absorbs a
lot of current even together with an empty
motor.
carefully check the sequence of the signal cables and
power, as it is in the manual.