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Tuttnauer 3870 EHS - Water Pump Malfunction

Tuttnauer 3870 EHS
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113
Corrections
1.1 Disconnect the pipe from the pump, let
water flow to remove the air pocket, and
then reconnect the pipe.
1.2 Clean pipe.
1.3 Clean the filter
See section 10.4.26
See section 10.4.27
4.1 Clean the filter screen. Use caution the
filter cap may be HOT!
4.2 Check out the valve according to section
10.4.4 and 10.4.36
4.3 Check the line and clear any obstruction.
4.4 Replace the no-return valve.
Possible cause check-up and tests
Check pipes connecting the water reservoir, filter
and water pump.
1.1 There is an air pocket at the pump inlet.
1.2 Pipe is clogged.
1.3 Filter is clogged
See section 10.4.26
See section 10.4.27
4.1 The filter screen located on the side of
the autoclave may be clogged.
4.2 The fast exhaust valve (73) may be
clogged or defective.
4.3 The exhaust line may be clogged
4.4 The no-return valve may be defective.
10. TROUBLESHOOTING (cont.)
10.6 Water pump malfunction
Symptom
1. Water pump is operating
but no water is flowing or
the rate is too slow.
2. Pump does not work.
3. The pump works
continuously.
4. Water does not exit the
chamber.

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