ALLEGRA 25R PDF

The Allegra 25R is specifically designed for life science needs, specifically those involving DNA. From bacteria and yeast pelleting, through isolation and. From bacteria and yeast pelleting to isolation, purification and post reaction clean -up, the Allegra® 25R Centrifuge offers versatility in handling all of your DNA. COULTER ALLEGRA 25R REFRIGERATED. CENTRIFUGE? READ AND UNDERSTAND THESE. INSTRUCTIONS FIRST. 1. Turn on the power using the white.

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I saw this same issue was posted two years ago with no response. I’m hoping someone has the service manual or at least the list of error codes.

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We have an Allegra 25R intermittently displaying an error 42 – the user manual is vague as to the cause. Since I can’t find my manual right now, what does the operator’s manual say for that error? Anything that you can provide might help although it has been 5 years since I last touched a 25R.

For errorsthe “Problem” is “Microprocessor or mechanical error”. I’ll clean the buckets allefra lubricate the supports to see if that fixes the issue. If that doesn’t work I’ll take a look at the opto switch. The buckets are fine. The error occurs at the very start of a run. I found the calibration procedure for X but not the 25R. Jeff – do you happen to have that? I do, but in the meantime, is the flag interrupting the opto path?

You might just have to carefully put it back in place and straighten it a bit. Ok, allefra it is.

I would read it through very carefully several times and if you’re sure you’ve got it, you’re a better man than I am. Personally I think I’d wait for Don. Activate service mode see section 3.

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Beckman Coulter Allegra 25r Centrifuge Model 369434 Each

The potentiometer on the circuit board see Fig. Notch respectively flattened part point vertically upwards.

The imbalance values in the above table, both for cut-off imbalance and max. The service mode is switched on by pressing the Up arrow key once and then the ENTER key three times, holding it for more than three seconds the third time. In order to follow the instructions given below correctly, you should first read out the number of the software version by using service mode No. The table ,”Menu options” should be observed! The software version can also be determined by pressing the key “FSTOP” before or up to three seconds after switching the centrifuge on.

If the chosen menu option has a substructure, it is possible to return to the main menu by pressing STOP. Display of static imbalance warning limit The parameter setting run for determining the warning limit is not applicable from software version 1.

Only the static imbalance limit is displayed. A positive value decreases and a negative value increases the sensitivity.

This correction value is valid for all rotors of the type of centrifuge in use! The correction value should be determined by means of a parameter setting run.

Set temperature at 40 0C Refrigeration should not switch on during parameter setting run. If the EEPROM has been erased accidentally, enter the correction values in point 2 of the service mode by pressing the keys?

The above table should be observed and the value altered accordingly: Actually Jeff, your idea about carefully repositioning the flag to its correct position between the legs of the detector should fix the problem.

That was one of the more common issues with the A25R and I still have not been able to find my manual so just go with what Jeff has posted.

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I would not worry about the calibration of the flag if it was only out of position as long as the flag has not gotten all scratched up.

Thank you Jeff and Don for all of the information! I really appreciate it. I haven’t gotten to the centrifuge yet but hope to some time this week. I’ll update the thread once I can take a look. I was hoping against evidence that a quick simple fix that didn’t require removing screws would work. Oh well, worth a shot. For questions about using the LabWrench web site please call us. Error 42 – Any information?

Replied to mwi’s post on December 5 th Report Sign In to Reply to this Thread. Replied to dpkleessr’s post on December 5 th Hi Don, The manual is incredibly vague.

Beckman Coulter Allegra 25r Centrifuge Model Each | eBay

OK, I alkegra what you mean so let me try to find the old manual and I’ll get back to you. Replied to mwi’s post on December 6 th Don, It’s the imbalance flag. Replied to medphysteo’s post on December 6 th Quote medphysteo Don, It’s the imbalance flag.

The value of the static imbalance must be between and In case of deviations: By pressing STOP, the normal operating mode is reactivated.

Replied to mwi’s post on December 11 th Replied to doodle’s post on December 11 th Replied to mwi’s post on December 15 th ,