Discussion Category:  Circulators / Chillers

Isotemp 9100 not heating

Hi all,

I've got a Fisher Scientific 9100 in for repair at the moment- It's not engaging it's heating element. If I manually trigger triac Q4,it immediately blows the circuit breaker.

Does anyone have service documents for this one? Thermofisher Australia have nothing relevant- Not even a user manual.


Peter McKinlay

Electronics Technical Officer

The Research School of Biology

The Australian National University

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