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MN-111 | Service book | Errors and Troubleshooting MN-111 ENG Rev08 | 2019/06/21 | © 2019 W&H Sterilization Srl

Errors

Code

Description

Possible causes

Checks and actions

217

Chamber heater sensor error or
disconnected.

Chamber heater sensor
disconnected.

Check the connection to the main board and the relevant wires.

If the error persists, see next step.

Chamber heater sensor failure.

Main board failure.

See error "216" on the previous page, same causes.

230

Steam generator temperature
sensor error

Steam generator sensor failure

See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL
COMPONENTS, Steam generator temperature sensor (TABLE POINT 1 and 3).

If it is necessary, replace the sensor.

If the problem persists, see next step.

Main board failure

See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL
COMPONENTS, Steam generator temperature sensor (TABLE POINT 1 and 2).

If it is necessary, replace the main board.

231

Steam generator temperature
sensor error or disconnected

Steam generator sensor
disconnected

Check the connection to the board and the relevant wires.

If the error persists, see next step.

Steam generator sensor failure

Main board failure

See error "230" above, same causes.

240

Steam generator heating element
error.

Heating element thermostat
operated.

Reset the chamber heater thermostat.

Check the thermostat continuity (0Ω).

If it is open, replace the component.

Heating element not properly
connected.

Check the connections and the wires between the heating element and the main board. If
the error persists, see next step.

Main board failure.

See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL
COMPONENTS, Heating element of the steam generator and safety thermostat (TABLE
POINT 2).

If it is necessary, replace the main board.

Heating element failure.

See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL
COMPONENTS, Heating element of the steam generator and safety thermostat (TABLE
POINT 3).

If the problem persists, see next step.

See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL
COMPONENTS, Heating element of the steam generator and safety thermostat (TABLE
POINT 4).

If it is necessary, replace the steam generator.

241

Steam generator heating element
error (coil L1).

Heating element failure.

Main board failure.

See error "240" above, same causes.

242

Steam generator heating element error or disconnected (coil L2).

See error "240" above, but all tests and actions apply to L2.

243

Steam generator heating element error (coil L2).

See error "240" above, but all tests and actions apply to L2

243

Steam generator heating element
error (coil L2).

See error "240" above, but all tests and actions apply to L2

300

Timeout in LEV phase
(Pchamber<Penviroment-0.10
bar)

Levelling set points not achieved.

HEPA filter clogged/dirty.

EV3 clogged/dirty

HEPA filter tube line clogged/dirty.

F2 filter clogged/dirty

"Emergency door opening" on page 9

Check if the sterilizer is installed in accordance to the technical specification reported in
the Instructions for use.

Replace component if needed and/or fix the problem.

Содержание MN-111

Страница 1: ...MN 111 110 V 220 V SERVICE BOOK ENG Rev08 Errors and Troubleshooting...

Страница 2: ...est instructions Loop cycle Test instructions Maintenance program table Instructions for use Repair and Spare Parts Manufacturer reference contacts All Message list Instructions for use Operational st...

Страница 3: ...ation Srl iii About this manual 4 Conformity 5 Symbols and messages 6 Safety warnings 8 Emergency door opening 9 Errors 10 Checks and actions 10 Other problems 18 Water tank problems 18 Water spillage...

Страница 4: ...LAIMER All pictures graphics and illustrations provided in this manual are for the comprehension of the text They are not meant to be an accurate representation of product details Thus they should be...

Страница 5: ...61010 1 2012 Safety requirements for electrical equipment for measurement control and laboratory use general requirements ASME Boiler and pressure vessel code EN 13060 Small steam sterilizers ANSI AA...

Страница 6: ...lectrical shock Hot surfaces Risk of burns SYMBOLS USED IN THIS MANUAL Mounted with magnets OR magnetic components present Components sensitive to electrostatic discharges ATTENTION Don t use any glue...

Страница 7: ...Symbols and messages MN 111 Service book Errors and Troubleshooting MN 111 ENG Rev08 2019 06 21 2019 W H Sterilization Srl 7 LABEL ON THE BOX...

Страница 8: ...afety devices e g glasses gloves protection mask etc n Before making any repairs or transport ward off unauthorized personnel from the working area n Refer also to all the safety indications given in...

Страница 9: ...ast Notice Carry out this procedure only as indicated and with the sterilizer in the indicated conditions Any attempt to open the door in a different way can seriously damage the sterilizer OPEN THE D...

Страница 10: ...re short circuited or out of range Main board failure In the Component Activation menu check the resistance of all the supplied components heaters vacuum pump water pump Compare the values shown by th...

Страница 11: ...ilization cycle If the problem persist see next step Water pump failure Check priming ULKA valve failure See Test instructions service book chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS Water pump...

Страница 12: ...etical and chamber temperature 0 8 C if Tchamaber Ttheo no error shown See error 130 above all causes 133 At the end of HEA3 phase the difference between theoretical and chamber temperature 0 8 C if T...

Страница 13: ...DIVIDUAL COMPONENTS Chamber heating element and safety thermostat TABLE POINT 1 Chamber heater not connected Check the connections and the wires between the heater and the main board If the error pers...

Страница 14: ...Check the connections and the wires between the heating element and the main board If the error persists see next step Main board failure See Test instructions service book chapter SPECIFIC TESTS FOR...

Страница 15: ...arting from the beginning of the cycle H20 1200cc Door gasket failure Check and replace the door gasket if needed water pump failure See Test instructions service book chapter SPECIFIC TESTS FOR INDIV...

Страница 16: ...g system automaticmode Door locking system manual mode Replace the microswitch if needed If the problem persists check the continuity of the cables from the microswitch to the main board If the proble...

Страница 17: ...place the main board 591 Software error Software error Main board failure Upgrade the software to the latest version if the problem persists replace the main board If the problem persists call service...

Страница 18: ...ing valve faulty Check electricoperation of the valve Check the valve connections and wiring The Fill clean water tank message is displayed in spite the tank is full Low level clean water sensor fault...

Страница 19: ...ace MMIboard if necessary User configuration lost or cycle history lost SD card not detected Check if the SD card in insert properly in the MMIslot Replace SD card if necessary the SD card shall be pr...

Страница 20: ...See error 100 on page 11 and 130 on page 12 all causes Water consumption too high Chamber overloaded See maximum load weight specified for each cycle and type of load Please refer to the Instructions...

Страница 21: ......

Страница 22: ...Manufacturer W H Sterilization Srl via Bolgara 2 Brusaporto BG Italy www wh com med wh com 39 035 66 63 000 MN 111 Service book Errors and Troubleshooting ENG Rev08 2019 06 21 Subject to changes...

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