R&M Materials Handling VARIABLE SPEED CONTROLS ControlMaster NXT Service Manual - Manual (Page 49)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
49/53 R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
Code Warning or Fault Possible cause Solution
7 Both drive commands on
/ parameter fault • Both drive commands are in the “on”
position
• There is a short circuit in the pendant or
pendant cable
• Parameters have been set wrong
• Check the digital I/O cabling
• Check the parameter settings (Switch
group S8 and S9)
To reset: set both drive commands to OFF
OR set correct values for the parameters,
turn the supply voltage off and restart after 1
min
other
fault
Other fault • Several reasons • Replace the device