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HG ROOF
Maintenance and Repair
16
Terminal block for the PCB
X3 is the Speed Control Potentiometer
3 Blue 24v
2 White 10 kOhm adjustable resistor
1 Blue/white 0v
X4 is the motor – all inputs are for the stepper motor
and receive pulses at different times
4 Red and blue
3 Black and yellow
2 Brown and white
1 Green and violet
X1 is the start stop switch
2 Blue 24v
1 Blue/white 0v
X6 is the reed switch – red and black cannot be
switches
2 Red positive
1 Black negative
X2 is the 24v power supply input
2 Blue 24v
1 Blue/white 0v