SES 2000 AUTOCLAVE Part 3
ST-SM8l Page 17 of 43
PART 3 MAINTENANCE
Fault Possible Cause Remedy
(7) 'LoH2o' or ‘Error’ (a) No water in chamber (a) Ensure chamber water level
displayed before sensor is clear of obstructions.
sterilizing temp. Also, ensure sensor is not
reached dirty or corroded.
(b) Water fill valve is (b) Drain reservoir and fit new
leaking water fill valve (section 3.14)
(c) Discharge valve leaking (c) Strip and clean discharge
valve or fit a new one
(section 3.14)
(d) Temperature sensor fault (d) Fit new temperature sensor
(section 3.13)
(e) Solid state relay failed (e) Fit new solid state relay
(section 3.15 or 316)
(f) Heater failed (f) Fit new heater if resistance of
element is not approx. 30ohms
(g) Controller fault (g) Fit new controller board
(section 3.7)
(8) 'H2O' or ‘Error’ displayed (a) Steam leak (a) Carefully check for steam
after sterilizing temperature leak and rectify
reached and fall below set (b) Water fill valve (b) As for Fault (7) (b).
temperature leaking
(c) Discharge valve (c) As for Fault (7) (c).
leaking
(d) Temperature sensor (d) As for Fault (7) (d).
fault
(e) Solid state relay failed (e) As for Fault (7) (e)
(No voltage across heater)
(f) Heater failed (f) As for Fault (7) (f)
(g) Controller fault (g) As for Fault (7) (g)
(h) Voltage regulator not (h) Secure voltage regulator
properly mounted, or loose (see also section 3.20)
(9) Temperature differs (a) Recalibration required (a) Follow Routine
and 'Error' displayed Calibration Procedure
(section 3.44)
(b) Air valve (b) Clean or fit new air valve
partially blocked (section 3.9)
(c) Controller fault (c) As for Fault (7) (g).
(d) Voltage regulator not (d) As for Fault (8) (h).
properly mounted, or
loose
(e) Temperature sensor (e) Fit new temperature sensor
fault (section 3.13) and recalibrate
(section 3.44)
Continued
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