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Troubleshooting
18
332514J
Control board temperature is
high - 6 blinks
System pressure too high
Reduce system pressure by installing
larger diameter lubrication tubes.
Current Control Potentiometer Knob
(G) on control board is set too low
Increase the current limit by turning
the Current Control Potentiometer
Knob (G), clockwise.
Motor is damaged
Separate motor from pump and run
motor. If motor is damaged, replace
motor. See Motor Replacement
instructions, page 28.
Motor control switch (J) is set to PWR
mode. Pump cycling is not controlled
by signal output and pump is running
continuously
Change motor control switch (J) to
signal mode (SIG).
High duty cycle
Reduce duty cycle.
Loose or damaged HALL sensor
cable - 7 blinks
HALL sensor cable not securely
attached
Verify HALL sensor cable is securely
attached. Tighten connection.
Damaged HALL sensor cable
Replace motor.
Motor runs but pump does not
Motor shaft/gears are stripped or
damaged
Gear box is damaged. Replace
pump.
Control board LED’s blink erratically Damaged control board
Replace motor control board. See
Motor Control Board Replacement
instructions, page 31.
Problem
Cause
Solution
Summary of Contents for Dyna-Star 77X000
Page 45: ...Notes 332514J 45 Notes...