Part 3 SES 2000 Vac (LS3) AUTOCLAVE
Page 18 of 53 ST-SM45g
PART 3 MAINTENANCE
Fault Possible Cause Remedy
(2) Door cannot be opened. (a) Pressure door lock jammed. (a) Replace pressure door lock
(para.10). To open chamber
door, push pressure locking
bolt back with a thin blade
if spring faulty. If spring has
seized, disconnect body from
unit (para.10) and pull it
backwards so that the locking
bolt clears the door.
(b) Pressure in chamber. (b) Switch-on power to release
pressure in chamber.
(c) Vacuum in chamber. (c) As (b) to open door then
check discharge filter and
bacteriological filter for
blockage.
(d) Solenoid door lock (d) Check wiring to solenoid door
inoperative when autoclave lock and check solenoid for
power is switched on. shorting or open circuit.
Replace solenoid door lock if
necessary (para.13).
(3) Chamber will not fill (a) No water in reservoir. (a) Fill reservoir.
(FILL RESERVOIR displayed). (b) Water in float switch. (b) Fit new float switch (para.32).
(4) Display shows ERROR 3. (a) No water in chamber due to (a) Clean or fit new water filter
water fill valve or associated (para.37). Strip pipework
pipes or filter blocked. and clean. Empty and clean
reservoir. Refill with
distilled water (para.9 part 1).
(b) Sensor not detecting water (b) Ensure chamber water level
in chamber. sensor is clear of obstructions
Also, ensure sensor is not
dirty or corroded.
(5) Display still shows (a) Door interlock (a) Check switch operating
‘OPEN THE DOOR’ microswitch jammed lever for freedom of
after door is opened. in closed position. movement.
(b) Switch fault. (b) Check operation of switch.
(c) Door interlock (c) Adjust switch lever position,
microswitch out or fit new microswitch if
of adjustment.
adjustment is correct (para 12).
(6) Display shows ‘ERROR 2’ (a) Door opened after (a) Switch power off, wait
after cycle started. cycle selected. 5 seconds, reset error (see
para (53) and restart cycle.
(b) Door switch out of (b) Adjust switch lever position,
adjustment. or fit new microswitch
(para 12).
Continued
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