CAUTION!!
All current on the installation must be switched off while the motor regulator is being dismounted!
Table 2 shows the status of the LEDs on the regulator.
Table 2 – Status LED’s on regulator
LED
green |
red |
Working situation |
On |
Off |
Regulator is released by means of PLC (or keypad). |
On |
On |
Automatic start is blocked. |
Blinks |
Off |
Regulator is not being controlled. |
On |
1 sec.on/off |
Malfunction (is in code C0161, malfunction code can be read instantly by means of the keypad). |
On |
0.4 sec ‘ ‘ |
Insufficient or too much tension. |
Blinks fast |
Off |
Motor parameters identified and loaded. |

Keypad connected to regulator
PS In case of trouble whit the regulator control (green led blinks) you can disconnect one or more motors on the profibus line to find out where the problem comes from. When one profibus is broken it will cause problems on all motors while the profibus line is blocked.