MASSO
MASSO Documentation
WARNING: Ensure that you turn the power off to MASSO and observe standard Antistatic
precautions before changing an optocoupler.
CAUTION: Ensure that you observe the correct orientation of the optocoupler when replacing as
they are polarity sensitive.
Observe the polarity of the optocoupler. Take a photo if you are not sure. Each Optocoupler has a
dot on it to identify pin 1
Using a suitable pair of long nose pliers or tweezers gently remove the faulty Optocoupler from it's
socket. It should come out easily.
Push the replacement Optocoupler into place until it is correctly seated. Make sure all pins are in the
socket.
Test to check that it is now working.
v5.18 - 08 Apr,2021
www.masso.com.au Page 380 of 477
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