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Temperature on the SMX is wandering.
June 1, 2013
8:08 pm
Mackey
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Forum Posts: 1
Member Since:
June 1, 2013
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I have an older (1994) Cruisair self-contained 5K AC with
reverse heat.   It is controlled by a SMX
II and the wiring is the round wire with the flat plugs (not the phone style).

The problem is the temperature reading on the SMX is
wandering, it will start in the 80s or 70s move up into the 90s and start
displaying 01, 03 etc. 

I have cleaned the connections and performed the system
reset with no change.  Is it the A-281C circuit
board or the temperature sensing element or the SMX head unit ?

Everything else on the system is functioning normally except
this function.   The boat, a 28ft
Carolina Classis,  is located in Virginia
Beach, VA .  Thanks.