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Section 3 – Troubleshooting
3.1 Troubleshooting Flowchart
If you cannot obtain readings using the MicroMux or the readings are unstable then see the
troubleshooting flowchart below for help in determining the nature of the problem.
Start
Does the MicroMux
advance through the
channels?
Yes
Are the switched leads
connected?
Yes
Is the
wiring correct for the
sensor leads?
Yes
Do the
software settings match
the sensor type and
wiring?
Yes
Is there a source of
electrical noise nearby?
No
Do the
circuit boards show
water or other
contamination?
No
Call Canary Systems for
further assistance
No
No
Connect the leads
Adjust the wiring for the
No
type of sensor used
Note: See the MultiSensor
Interface User's Guide or
MultiLogger Software
User's Guide for wiring
diagrams.
Adjust the software
No
settings
Remove the noise source
Yes
or move the MicroMux
Yes
Clean the circuit boards
Is 12V and G
connected to the
No
MicroMux?
Yes
Are the Enable and
Clock lines connected
No
to the control ports?
Yes
Do the software
settings for the Enable
No
and Clock lines match
the connections?
Yes
10
Attach 12V and G
Attach Enable & Clock
lines
Match software and digital
I/O connections
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