9. SERVICE
If necessary remove covers to do the work. Refer to chapter 5.
For safe and correct servicing, read the (applicable) sections of:
•
Chapter 2, chapter 6, chapter 7 and chapter 10.
Always
put
removed
covers
back
after the work! Refer to the end of chapter 7.
9.1 Troubleshooting
Troubleshooting is only permitted to approved personnel. This section tells about possible
malfunctions and their solutions. If a malfunction is not in the list that follows, contact your supplier.
Malfunction 1 The motor gearbox does not turn while the electric motor (EM) is in operation.
Observation 1
The electric motor (EM) turns, while the output shafts of the gearbox do not turn.
Cause 1
The motor gearbox is mechanically defective.
Solution 1
Remove the electric motor (EM). Do a check of the shaft key and replace it if
defective. If the shaft key is not defective, then replace the gearbox.
Malfunction 2 The direction-of-rotation of the motor gearbox is not correct.
Observation 2
The output shafts turn in the incorrect direction.
Cause 1
The connections on the terminal block of the electric motor are not correct.
Solution 1
RLS:
Interchange the connections V1 and W1 on the terminal block.
RSU:
Interchange the connections V1 and W2 on the terminal block.
Malfunction 3
The switching sense of the limit-switch system is not correct.
Observation 3
When the system turns to an end position (A or B), the limit-switch system turns in
the direction of the opposite duty switch.
Cause 1
The connections on the connection block/connection blocks of the limit-switch
system are not correct.
Solution 1
RLS:
Interchange the connections 1 and 5 on the connection blocks.
RSU:
Interchange the connections 1 and 7 on the connection block.
Ridder Drive Systems B.V.
T
+31 (0)341 416 854 -
F
+31 (0)341 416 611 -
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