Midmark M9 - Operation and Maintenance

SECTION II
TESTING AND TROUBLESHOOTING
© Midmark Corporation 2002 SF-1803 Page 2-2 Printed in U.S.A.
Normal Operation. Table 2-1.
Unit Plugged Into Outlet
Audible Display Action / Notes
Audible beeps
INITIALIZING
SYSTEM
Note: The fan may run if the temperature inside cabinet is 130°F (+/- 8°F)
(54°C) or greater.
Total number of cycles that have been run on Sterilizer.
Model Number* system is set up for and Software version number.
* (System can be set for M9, M9D, M11, or M11D using SW1 switch 2)
• Fill Valve
- Closed • Vent Valve - Open
• Air Valve
- Energized - Open for 10 min. or until Cycle started • Heater - Off
TOTAL CYCLES XXXX
M9*, vX.XX
SELECT CYCLE
Press Cycle Key (i.e.: UNWRAPPED)
Audible Display Action / Notes
UNWRAPPED
270° F 3:00 MINUTES
The sterilization program, temperature, time period,
type of venting and dry cycle time is displayed.
• Fill Valve
- Closed • Vent Valve - Open
• Air Valve
- Energized - Open for 10 min. or until Cycle started • Heater - Off
FAST VENT
30 MINUTE DRY
Press START Key
Audible Display Action / Notes
Audible beeps
FILLING
CHAMBER
• Fill Valve - Energized - Open • Vent Valve - Energized - Closed
• Air Valve
- Close momentarily then Energized - Open • Heater - Off
CHAMBER
IS FULL
Water reaches level of Water Level Sensor sending signal back to main P.C.
board.
• Fill Valve
- Closed • Vent Valve - Energized - Closed
• Air Valve
- Energized - Open • Heater - Off
HEATING - UNWRAPPED
XXX
°F XX.X PSI
(temp.) (pressure)*
*See Action/Notes
• Fill Valve
- Closed • Vent Valve - Energized - Closed
• Air Valve
- Initially Closed - Energizes Open* • Heater - On
* Air Valve will open 3 times
at apprx. 1/2 (3.0 or 13.6 PSIg) of the Sterization
pressure. It will close between 38 to 72 secs. dependent on the model (M9 /
M11) & the Cycle selected (Unwrapped, Packs, etc.). Temperature will vary.
STERILIZING
03:00
270 °F 27.1 PSI
(time) (temp.) (pressure)
Displayed sterilization time begins to count down.
• Fill Valve - Closed • Vent Valve - Energized - Closed
• Air Valve
- Closed • Heater - Cycles On & Off.
READY TO VENT
00:10
270 °F 27.1 PSI
(time) (temp.) (pressure)
In final 10 seconds
of Sterilizing Mode “READY TO VENT” blinks on & off in
display.
• Fill Valve
- Closed • Vent Valve - Energized - Closed
• Air Valve
- Closed • Heater - Cycles On & Off.
FAST VENT
XXX
°F XX.X PSI
(temp.) (pressure)
Chamber vents into reservoir.
• Fill Valve - Closed • Vent Valve - Open
• Air Valve
- Closed • Heater - Off.
Audible beeps (Occurs 5
seconds before Door
opens.)
DOOR TO OPEN
XXX
°F 00.725 PSI
(temp.) (pressure)
When pressure in chamber reaches .7 PSIg (5 kPag)
“DOOR TO OPEN” blinks on & off in display while 35 seconds elapses.
• Fill Valve
- Closed • Vent Valve - Open
• Air Valve
- Open • Heater - Off.
• Door Opening Motor
- Energizes (after 35 sec. delay), rotating the motor
lever arm, unlatching the door. Door opens to partially open position. Motor
automatically reverses back to original position.
DRYING
30:00
(time)
Displayed drying time begins to count down.
• Fill Valve
- Closed • Vent Valve - Open
• Air Valve
- Closed • Heater - Cycles On & Off
Audible beeps for 10 sec-
onds
DRY CYCLE
COMPLETE
• Fill Valve - Closed • Vent Valve - Open
• Air Valve
- Closed • Heater - Off.
SELECT CYCLE Unit is ready for another operation.
• Fill Valve
- Closed • Vent Valve - Open
• Air Valve
- Energized - Open for 10 min. or until Cycle started • Heater - Off
Rev. 8/04/03
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