Part 3 SES 2000 AUTOCLAVE
Page 16 of 43 ST-SM8l
PART 3 MAINTENANCE
Fault Possible Cause Remedy
(b) Pressure in chamber. (b) Switch-on power to release
pressure in chamber.
(c) Vacuum in chamber. (c) As (b) to open door then
clean or replace air valve
(section 3.9).
(3) Chamber will not fill (a) No water in reservoir. (a) Fill reservoir.
('LoH2O' displayed). (b) Water fill valve or (b) Empty reservoir, strip
associated pipes pipework and clean. Clean
blocked reservoir. Refill with distilled
water.
(c) Air valve stuck in (c) Replace air valve (section 3.9)
closed position
(4) Display still shows ‘door’ (a) Door not correctly closed (a) Close door
after programme selector (b) Door interlock (b) Adjust switch lever position,
button pressed microswitch out or fit new microswitch if
of adjustment adjustment seems to be
correct (section 3.10)
(5) Display shows ‘ERR 2’ (a) Door not properly (a) Clear error as detailed
after programme selector closed in section 3.41
button pressed and restart cycle.
(b) Door opened after (b) Repeat (a)
a cycle started
(c) Door switch out of (c) Adjust switch lever position,
adjustment or fit new microswitch
(section 3.10).
WARNING
Should door be opened
beware of possible hot water
leaking from chamber.
(6) Safety valve (a) Air valve sticking (a) Clean or replace air valve
operates even (section 3.9)
though temp is (b) Safety valve fault (b) Fit new safety valve (see
below 136°C section 3.50 and 3.51).
(See also Fault (15) (c) Check calibration of (c) See Routine
134°C cycle Calibration Procedure
(section 3.44)
(d) Re-calibration (d) As (c) above
needed
(e) Temperature sensor (e) Fit new temperature sensor
fault (section 3.13)
(f) Controller fault (f) Fit new controller board
(section 3.7)
Continued
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