Troubleshooting Guide - Pegasus Astro FocusCube v2 Operating Manual

Universal Bracket

Troubleshooting guide

Problem
Controller LED is off
Stepper motor makes strange noises or step
gaps when accelerates
Sensor does not report temperature
Controller randomly loses USB connectivity
Cause
Power supply is not connected
You have specified a "max speed" larger
than motor can support
Check that sensor is in place
Check that your USB cable does not exceed
5m length.
Cure
Connect Power and wait for a solid green
light
Go to "Settings" and limit the max speed
(try between 200-400). Every stepper
motor has a maximum speed or else it will
jump and loose steps. Pegasus Astro
Stepper Motor support max speed up to
400.
Check sensor plug if it is in good condition.
Recycle power and retry or wait for 1
minute for sensor recalibration.
Use a shorter cable or a powered USB hub.
The USB 2.0 specification limits the length of
a cable between USB 2.0 devices (Full Speed
or Hi-Speed) to 5 meters.
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