1485 Jacobs Rd.
Deland, FL 32724
386.738.7307
P/N 53-00375-376 Rev. C 032619
www.intellitec.com
Intellitec
SERVICE MANUAL
MPX Sofa Controller
200/400
I.
II.
III.
IV.
Sofa doesn't move in one or in either direction.
A. The sofa may be jammed. Check for mechanical obstructions and clear path.
B. Power may not be coming from the fuse block. Check for 12 volts on the 12 volt input.
If there is not 12 volts, replace fuse F1.
C. The ground connection may be missing. Check and repair the ground connection.
D. Switch wiring may be faulty. Momentarily ground MPX line. The relay(s) should close
and the sofa should slide forward on the Model 400 and go up on the Model 200. If
not, check for power at the terminals of J1. One terminal should have 12 volts. If there
is not 12 volts, replace the control.
E. Disconnect J1. Press switch. If the relays "click", check wiring and motors.
F. The motor wires may be disconnected or broken. Check and repair the wiring.
Sofa doesn't move to mechanical stops.
A. The stop current may be mis-adjusted. Re-adjust the Stop control to a higher level.
(Warning: Raising this setting too high may cause opening of the circuit protection.)
Sofa moves in wrong direction from indication of the switch.
A. The motor wires may be connected improperly. Remove and re-connect the sofa motor wires.
The relays chatter.
A. The controller may not be grounded properly. Repair or replace the ground wire.
J1-1
Recline Motor Common
J2-1
Recline Motor Common
J1-2
Slide Motor Common
J2-2
Recline Motor +
J1-3
Slide Motor +
J1-4
Recline Motor +
J2-1
Ground
J1-1
Ground
J2-2
MPX bus
J1-2
MPX bus
J2-3
+12 volt power input
J1-3
+12 volt power input
Model 400
Model 200
Pin
Function
Pin
Function
3
