Service Manual
R&M Materials Handling, Inc. 
4501 Gateway Boulevard 
Springfield, Ohio 45502 
P.: (937) 328-5100 
FAX: (937) 325
-
5319
39/53 
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
4 
Energize the product by pressing the start pushbutton. 
5 
The frequency converter goes into a ready-to-run state after 
the  power  supply  is  connected.  The  frequency  converter 
verifies that both direction signals are switched off. 
6 
After start up, if a green LED is lit the frequency converter will 
accept driving commands.  
7 
A red LED indicates a  fault, and the  frequency converter 
does not accept drive commands until the cause of the fault 
is eliminated. The green LED blinks, indicating the fault code 
number. See the section “Troubleshooting” for more detailed 
information about the fault. 
6.3  Test run without load 
1 
Ensure that movement of the equipment will  not  cause any 
danger to the environment or to the crane itself. Avoid driving 
close to the limit areas. 










