Troubleshooting Guide - Pegasus Astro Dual Motor Focus Controller v3.x Manual

Technical Specifications
Supply Voltage
Motor Compatibility
Motor Output
USB Connectivity
Thermal Sensor Resolution
Power Input Connector
Motor Connector
Dimensions

Troubleshooting guide

Problem
Controller LED is off
Stepper motor does not move
DC motor does not move
Mode is in stepper but stepper
motor does not move
Stepper motor makes strange
noises
Pegasus Astro – Copyright 2021
9
12V (Controller has a voltage tolerance from 6V to 15V)
DC motor - adjustable frequency PWM
Unipolar motors
Bipolar models
DC motor, max 1 Amp
Unipolar / stepper motors, max 2.0 Amps (1.0 Amps per phase)
Continuous output current per channel: 1 A
Peak output current per channel: 3 A
Continuous paralleled output current: 2 A
USB 2.0 Type B plug
9-bit Celsius temperature measurements
2.1mm Centre Positive Socket
RJ45 8P8C / (D Sub 9 female jack for older model)
66mm x 66mm x 28 mm
Cause
Power supply is not connected
Check if mode is in "stepper
motor" setting
Check if mode is in "dc motor"
setting
Motor speed is very low or zero
Motor has been connected with
wrong cabling or a cable has
been disconnected / cut
(stepper motor requires 4
cables)
Cure
Connect Power and wait for
three green light blinks
(Controller Boot)
Set mode to "stepper motor"
setting and retry
Set mode to "dc motor" setting
and retry
Go to settings in software and
set max speed of motor (try to
set 400-500 steps).
Check cable order is correct and
retry or replace serial cable