SES 2000 Vac (LS3) AUTOCLAVE Part 3
ST-SM45g Page 21 of 53
PART 3 MAINTENANCE
Fault Possible Cause Remedy
(17) Overheat warning lamp (a) Band heater overheat (a) Faulty band heater
illuminates. thermostat operated. temperature sensor. Fit new
band heater temperature
sensor (para.30). Or, Solid
state relay faulty. Replace
solid state relay
board (para.26). Also see
Appendix B
(b) Heater element overheat (b) Faulty solid state relay.
thermostat operated. Fit new solid state relay
board (para.26). Also see
Appendix B. Or, ensure
chamber water level sensor is
clear of obstructions. Also,
ensure sensor is not dirty or
corroded.
(18) Pressure display reads (a) Incorrect calibration. (a) Check temperature/pressure
too high or too low. calibration (para.57 onwards).
(b) Faulty electrical connection. (b) Check sensor connections
and solid-state relay board
and control board connection.
(19) Door stiff to rotate/open. (a) Door mechanism requires (a) Lubricate hinge pivots with
lubrication. silicone grease (Part
No.306055).
(b) Door seal mating surfaces (b) Clean mating surfaces
sticking. of door seal and chamber
flange with a clean cloth.
(c) Chamber pressure slow to (c) Check for blockages in
stabilise at atmospheric discharge line and/or
pressure. bacterial filter air inlet line.
(20) ERROR 10: Insufficient first (a) Previous cycle has left chamber (a) Reset chamber condition by
vacuum pulse. too hot and wet. running a 134°C unwrapped
with drying cycle and leave
door open for 5 minutes on
completion.
(b) Pressure not less than 20kPa (b) Carry out leak test (para.55)
on display due to pump If it fails, check pump
inefficiency. components for leaks, check
all connections, door seal, and
solenoid valves for leaks.
(c) Pressure calibration error. (c) Recalibrate pressure channel
(para.57 onwards).
(d) Pump cooling duct not fitted. (d) Fit cooling duct (para.33) and
(models up to mod state 'E' only) check cooling fan operation .
Continued
To Next Page
Loading...
