Pegasus Astro Dual Motor Focus Controller v3.x Manual page 10

Stepper motor makes strange
noises or step gaps when
accelerates
Knob on the side does not work
Sensor does not report
temperature
Controller randomly looses USB
connectivity
Software installation
Latest software and drivers release can be found at Pegasus Support site:
http://pegasusastro.com/support
Please download and install the following:
•
ASCOM6 Driver for DMFC
•
Standalone DMFC Application
•
USB Drivers for DMFC
10 Pegasus Astro – Copyright 2021
You have specified a "max
speed" larger than motor can
support
Check that LED is not orange
colored. This means you have
disabled the knob encoder
functionality
Check that sensor is in place
Check that your USB cable does
not exceed 5m length.
Go to "Settings" and limit the
max speed (try between 400-
600). Every stepper motor has
a maximum speed or else it will
jump and loose steps. Pegasus
Astro Stepper Motor support
max speed up to 500.
Press the knob to enable the
encoder. The led light will turn
yellow or green
Check connectivity of the
sensor. Recycle power and retry
or wait for 1-3 minutes 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.