Tuttnauer 3850 ELVG-D, Technician Manual

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6.24 Memory reset
To reset the memory of the autoclave control unit backed up by a
battery, proceed as follows: Verify that there is no pressure in the
autoclave chamber.
1. Turn the main switch to OFF position.
2. Press the STOP key. At the same time turn the main switch to ON
position.
3. Keep pressing the STOP key until the program parameters are
displayed.
4. Set the Sterilization temperature, Sterilization time, Date and Time.
5. Repeat the procedure of automatic water filling.
6.25 Cycle counter reset
To reset the cycle counter proceed as follows:
1. Press the STOP key a few times, till CODE 102 is displayed.
2. Press the UP key (8) up to CODE 134.
3. Press any key to continue.
The counter is now reset.
6.26 EKA ONLY - Air pump and valve always ON or OFF
♦
Check the S.S.R2 in the electric box.
♦
Check if TP 18 is in 0.0V if on and 5.0V if off, if yes replace
PREDG.
If not replace the AJUNC3 board.
6.27 EKA - Air pump is always on, valve is off
♦
The problem is in the pump or in SSR2 located in the electric box.
6.28 Pump is operating but no or low water flow.
Check pipes connecting the water reservoir, strainer and pump.
1 Air accumulates at the pump inlet. Disconnect pipe from the pump,
let water flow to remove air accumulation and reconnect pipe.
2 Pipe is clogged. Clean pipe.
3 Strainer is clogged. Clean strainer according to instructions.
6.29 Water does not exit chamber.
Outlet strainer is clogged. Clean strainer according to instructions.