W&H Lexa Error Codes 300 and 340
Understanding the error codes that can occur while operating an autoclave is vital to ensure it functions optimally and reliably. This article explores the different error
codes associated with the W&H Lexa, detailing their meanings and steps to troubleshoot them.
This article focuses on error codes 300 and 340, sourced from the official troubleshooting manual provided by W&H.
If you have any queries regarding these error codes, the W&H Lexa, or any other related matters, feel free to contact us at 704-966-1650 Option 3 for our Free Tech Support Line.
Error Codes
Error Code 300
Description – Timeout in LEV phase (Pchamber<Penviroment-0.10 bar) Leveling set points not achieved.
Possible Causes
- HEPA filter clogged/dirty.
- EV3 clogged/dirty
- HEPA filter tube line clogged/dirty.
- F2 filter clogged/dirty
Checks and Actions
Check if the sterilizer is installed in accordance to the technical specification reported in the Instruction Guide here.
Replace component if needed and/or fix the problem.
The W&H Lexa HEPA Filter is available on our website here.
The W&H Lexa Solenoid Valve EV3 Assembly is available on our website here.
Error Code 340
Description – During HEA2 phase Pchamber<Penviroment-0.10 bar.
Possible Causes
A.) Main board failure.
B.) Water pump failure
C.) Check/priming ULKA valve failure
D.) S.G. temperature sensor failure
E.) Failure in the S.G. heating element
F.) EV5 solenoid valve failure
G.) Pressure transducer failure.
Checks and Actions
A.) 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.
B.) See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS, Water pump. Replace the water pump if needed.
C.) See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS, Water pump. Replace the ULKA valve if needed.
D.) See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS, Steam generator temperature sensor. Replace the sensor if needed.
E.) See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS, Heating element of the steam generator and safety thermostat (TABLE POINT 3, if problem persists, see TABLE POINT 4). If it is necessary, replace the steam generator.
F.) Run the diagnostic cycle EVX test. If one valve is detected as faulty, replace it.
G.) See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS. Replace the sensor if needed.
The W&H Lexa Main Board with Temp Sensors can be found here on our website.
The W&H Lexa Water Pump can be found here on our website.
The W&H Lexa Steam Generator Temp Sensor is available here on our website.
The W&H Lexa Steam Generator Assembly is available here on our website.
As always if you have any questions about this process or anything else please feel free to contact us and take advantage of our “FREE TECH SUPPORT.”
We also offer FREE VIRTUAL TECH SUPPORT to “See and Talk” with a “Real Time Live Technician” for any problems you may be in need of help with.
You can also use our “FREE MAINTENANCE PROGRAM”. Take the guesswork and worrying about what unit is due for maintenance and which maintenance cycle it is time for. We will keep track of all your autoclaves and let you know when it’s time for anything.
The W&H Lexa Sterilizer is available to purchase here.
We also have a range of parts for the W&H Lexa on our website that you can find here.
The W&H Lexa Installation Guide is available to view here on our website.
The W&H Lexa Operation Guide is available to view here on our website.
The W&H Lexa Printer Management Guide is available to view here on our website.
The W&H Lexa Maintenance Guide is available to view here on our website.