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Sterilizer Manufacturer:
Tuttnauer
Model of Sterilizer:
2540 & 3870 EHS
Problem Title:
Tuttnauer EHS water pump does not operate
Problem Description:
Tuttnauer EHS water pump does not operate
Reasons
1. Tuttnauer EHS water pump does not operate

1) Mineral free water supply
2) Fuse
3) Check the TP17 on DIG-T2 board to make sure voltage is not <1V constantly, otherwise the DIG-T2 board is out of work
4) Check the pump power supply JP7 to make sure the JP7-2 on the AC-T1 baord is 120VAC otherwise the AC-T1 board is out of work
5) Check the pump mechanism or its piping system
6) the Lower float in the vacuum pump can stop the pump too

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