Troubleshooting Guide - Promaster ST1 Manual

Troubleshooting Guide

Power does not turn on.
Replace the batteries if they are low or out of power.
Check that the batteries are installed in the correct
orientation.
The slave speedlight does not fire.
Make sure all transceivers are powered on and the
speedlight is on and in a ready state.
Check that the transmitter and receiver are set to
the same channels and groups.
Check the electrical contacts of the transmitter and
camera and all speedlights. Reposition them
or clean the contacts if necessary.
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