English-6
004-1055-00
TP210 Rev. A
© 2013 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
[Revised: mo/dd/yr]
Problem Symptom Probable Cause Check Solution
Back function not
operating properly.
No Back Up. System malfunction. Error code on Machine Control PC Board. Refer to: Error Codes
Malfunctioning Wired Controls. Wired Controls. Refer to: Wired Controls Malfunctioning
Malfunctioning Wireless Controls. Wireless Controls. Refer to: Wireless Controls Malfunctioning
Back Up limit switch. Wire connections at J12 on Motor Control Hub
PC Board and at limit switch.
Secure wire connections.
Refer to: Fuses and Connections
Test limit switch.
Refer to: Back Actuator / Limit Switches
Replace limit switch.
Back Up Overtravel limit switch. Wire connections at J12 on Motor Control Hub
PC Board and at limit switch.
Secure wire connections.
Refer to: Fuses and Connections
Test limit switch.
Refer to: Back Actuator / Limit Switches
Replace limit switch.
No Back Down. Active Sensing Technology
TM
activated. Position of table.
Refer to: Active Sensing Technology
TM
Activate Base Up and Tilt down,
then try Back Down again.
System malfunction. Error code on Machine Control PC Board. Refer to: Error Codes
Malfunctioning Wired Controls. Wired Controls. Refer to: Wired Controls Malfunctioning
Malfunctioning Wireless Controls. Wireless Controls. Refer to: Wireless Controls Malfunctioning
Back Down limit switch. Wire connections at J12 on Motor Control Hub
PC Board and at limit switch.
Secure wire connections.
Refer to: Fuses and Connections
Test limit switch.
Refer to: Back Actuator / Limit Switches
Replace limit switch.
Back Down Overtravel limit switch. Wire connections at J12 on Motor Control Hub
PC Board and at limit switch.
Secure wire connections.
Refer to: Fuses and Connections
Test limit switch.
Refer to: Back Actuator / Limit Switches
Replace limit switch.
No Back Up or Back Down. System malfunction. Error code on Machine Control PC Board. Refer to: Error Codes
Malfunctioning Wired Controls. Wired Controls. Refer to: Wired Controls Malfunctioning
Malfunctioning Wireless Controls. Wireless Controls. Refer to: Wireless Controls Malfunctioning
Loose wire connections. Wire connections at J10, J11 and J12 on
Motor Control Hub PC Board.
Secure wire connections.
Refer to: Fuses and Connections
Motor Control Hub PC Board fuse blown. Test F3 fuse on Motor Control Hub PC Board. Replace faulty fuse.
Refer to: Fuses and Connections
Back Up and/or Down Overtravel limit
switch.
Wire connections at J12 on Motor Control Hub
PC Board and at limit switch(es).
Secure wire connections.
Refer to: Fuses and Connections
Test limit switch(es).
Refer to: Back Actuator / Limit Switches
Replace limit switch(es).
Motor runs, but table does not move. Motor coupler broken. Motor coupler.
Refer to: Back Actuator / Limit Switches
Replace motor coupler.
Back Up / Down noisy, grinding or
squeaking.
Actuator threads dry. Actuator threads. Clean and lubricate back actuator threads.
Refer to: Back Actuator / Limit Switches
Back Actuator. Run back up and down, if squeaking or grinding
continue check back actuator.
Replace back actuator.
Troubleshooting Chart - continued
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