Sterilizer.com Sterilizer Parts Technical Home FAQ Search Submit a Question Your Local Service Login
Enter question keywords
to search

Sterilizer Manufacturer:
Tuttnauer
Model of Sterilizer:
Problem Title:
Tuttnauer E/EA/EK/EKA Safety Thermostat Problems
Problem Description:
Tuttnauer E safety thermostat does not turn off heaters during drying cycle
Reasons
1. The sensor probe may not be in good position

Solutions

1. The sensing probe should be installed in the lower channel of the rear-most Heating Element.

The sensing probe must have a tight fit

The tubing connected to the probe must not be kinked in any way

If the Safety Thermostat is hard wired (as on units with control proms earlier than T93N3) then replace the Safety Thermostat.

If the Safety Thermostat is connected to the microprocessor (as on units with control proms later than and including T93N3) it will be necessary to run the machine in order to perform the next test.

Select the Dry Cycle and start the unit running, when the autoclave has started running remove the thin green wire that connects the Safety Thermostat to the microprocessor. The unit should immediately turn off power to the Heating Elements. If this does not happen then this would indicate a problem with the Heat SSR or a ground short in the Heating Elements or a control problem

If the unit does abort and remove power from the Heating Elements (verify this by checking at the Heating Elements for either voltage or amperage) then replace the Safety Thermostat.

The technical information is just to help sterilizer users as reference to do their trouble shooting.
no guarranty implied. For each specific technical help to do with sterilizers
or autoclaves, go to www.sterilizers.com ... or call 1-800-801-9934 Contact Us