La cimbali m28 selectron manual could anyone tell me where to buy or down load one

That .depends on software and configuration. It is not a universal code You might find help in the manual. CIMBALI M34 SELECTRON USE AND INSTALLATION Pdf Download ' ManualsLib

Inspect Electrical Supply: Ensure that the machine is receiving proper electrical power. Sometimes, an interruption in the power supply can trigger error codes.

Clean Components: Check if any components related to coffee grounds or filters are dirty or clogged. Clean the underpan gasket, filter holes, and filter holder outlet hole.

Coffee Ground Quality: Verify that the coffee grounds are of the correct consistency. If they are too coarse or too old, it can affect the machine's operation.

Discharge System: Examine the discharge system for any blockages.

Question edited for its proper name.
Question moved from Washing Machines.

Did you measure it?

Ideal brewing temperature is between 195°F and 205°F
Is There a Perfect Coffee Brewing Temperature? According to the National Coffee Association, the ideal water temperature for extraction is between 195°F and 205°F, which is a little below the boiling point of water - 212°F. What's handy about this temperature range is that it works across all brewing methods.

Page 50 of the manual

The adjustment of the economizer for regulating the delivered water temperature is made by the installing service technician.

Thermodrive

La Cimbali https://www.cimbali.com > innovation > coffee > ther...

This system mixes cold water with the water from the group, so regulating the ideal temperature for every drink. If the coffee blend being used requires low ...

M34 SELECTRON

milangold.com.cn http://www.milangold.com.cn > fileDownload PDF
The dispensing of hot water is controlled by the economizer which permits mixing hot water from the boiler with fresh cold water from the mains and controls its ...

Delivery Of The Coffee; Hot Water Dispensing - Cimbali M34 ...

ManualsLib https://www.manualslib.com > ... > Use and installation
Cimbali M34 SELECTRON Manual Online: delivery of the coffee, Hot Water Dispensing. ... cold water from the mains and controls its temperature.

Question edited for clarity.
Question moved from Cellphones to La Cimbali. If you put 'make model (what it is)' at the beginning, you are more likely to be offered the correct Category.

It is a Professional Espresso Maker Rebecca. It needs professional service. Contact their support direct. The first thing to try is disconnecting from power for 5 minutes.

https://pdf.archiexpo.com/pdf/la-cimbali/m34-selectron/11548-253308.html

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Do you have a manual? If you do not, Google 0ptima 190 selectronic and download one. It will explain what all your feet are for or buy the "FOOT BOOK" from a Viking dealer and it will tell you every foot that has ever been made for a Viking.

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call your vendor or cimbali.com for current contacts

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The price for the m29 select new is about 5500 to 6000. So for one of 4-5 years you can give about 2500-3000. However I sugest to open the machine and check if their are rusting points or any leaking points which propably be white points from calcium color. Also ask if their were any water filter like everpure or and a water softener conected to water supply of machine during the operation of the machines.
If you see minor points as above and the water was treated before entering the machine then your machine can work for minimum another 10 years.
Water calcium (scale) is the biger enemy of the machine.
Good Luck

Sounds like the problem is in the keypad.

When it comes to gas connections on the espresso machiones I will usually tell my clients to take it to their heating(furnace) expert, because if it is set wrong you can burn down your place.

http://www.home-barista.com/espresso-machines/la-cimbali-m30-classic-manual-i-have-got-it-pdf-t6127.html

parts diagram there too