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10.62
Electrical
Electrical system
system
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10
10.1
.15.
5.6
6 T
Tra
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The drive motor only runs at a low speed with a ticking noise, or t
The drive motor only runs at a low speed with a ticking noise, or the motor
he motor
attempts to start, but cannot or run unevenly with a low torque
attempts to start, but cannot or run unevenly with a low torque
..
5. Does the servo work?
5. Does the servo work?
Y
Yes
es
Check the connections between B+4
Check the connections between B+4
and the regulator's connector E1.24
and the regulator's connector E1.24
No
No
The servo probably has no supply
The servo probably has no supply
voltage or the safety system has
voltage or the safety system has
tripped. Go to the trouble shooting
tripped. Go to the trouble shooting
chart for the electric servo.
chart for the electric servo.
A flashing status lamp means the drive
A flashing status lamp means the drive
regulator has indicated a fault.
regulator has indicated a fault.
When the status lamp dims this means
When the status lamp dims this means
that the drive regulator is not receiving
that the drive regulator is not receiving
any supply voltage or that the internal
any supply voltage or that the internal
program has not been run.
program has not been run.
1. Are the motor cables correctly
1. Are the motor cables correctly
connected and make good contact
connected and make good contact
between the drive motor and the drive
between the drive motor and the drive
regulator?
regulator?
šš
No
No
Tighten the connections or replace the
Tighten the connections or replace the
motor cables.
motor cables.
Y
Yes
es
2. Is the voltage on the motor cable
2. Is the voltage on the motor cable
between M1.1 and M1.2 approx. 12V
between M1.1 and M1.2 approx. 12V
DC?
DC?
šš
No
No
Go to point 5 b
Go to point 5 below.
elow.
Y
Yes
es
3. Is the voltage at M1.3 and M1.4
3. Is the voltage at M1.3 and M1.4
approx. 4 V DC with M1.2 as a
approx. 4 V DC with M1.2 as a
reference when the motor rotates?
reference when the motor rotates?
Alternatively 0V or 8V DC when the
Alternatively 0V or 8V DC when the
motor is at a standstill.
motor is at a standstill.
šš
No
No
After checking the motor's connector
After checking the motor's connector
connections, change the drive motor.
connections, change the drive motor.
Y
Yes
es
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