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19
IV TROUBLESHOOTING
A. Actuator does not align plug to port.
1. If alignment is off only at one or two ports but the rest are aligned, then refer to assembly
and adjustment procedures (refer to pages 2 to 4).
2. If alignment is off in the same direction for all ports then:
a) Check the valve/actuator connector for looseness.
b) Check the Switchpak/actuator connector for looseness.
c) Check the motor for stalling or overload.
d) Check the speed reducer for visual leakage or noisy gear.
e) Check the accuracy of the position indicator itself.
f) Check the functions of the Multiport Electronic Controller for the following:
- The RUN LED on the circuit board (MP-08) or the decimal point on the LED
digital display is flashing. If not, turn off power to controller for 10 seconds then
turn on again.
- The MOTOR RUN LED on the circuit board is flashing on constantly while the
motor is pulsing.
- The calibration for the home port position is correct.
- Power supply to the controller is correct.
- All fuses are good.
- All cables are attached and secured.
- All jumpers correctly positioned
3. If electrical motor fails to run:
a) Check motor for correct operation.
b) Check DC relay for correct operation.
NOTE: Refer to assembly drawings, wiring, and board diagrams of the Multiport
Electronic Controller on pages 4, 15, 16, 17, and 18.