Chromatography Forum

Currently have a 5973 MSD with a turbopump running at 75% instead of 100 %. There was an error message about the pump being too hot. I am not at the site location so I may suggest that someone there check the cooling fan to see if it is blocked, dirty blades etc. Perhaps the fan rpm is down, not physically noticeable, thus not providing enough air flow. Any suggestions. Thank you.

Currently have a 5973 MSD with a turbopump running at 75% instead of 100 %. There was an error message about the pump being too hot. I am not at the site location so I may suggest that someone there check the cooling fan to see if it is blocked, dirty blades etc. Perhaps the fan rpm is down, not physically noticeable, thus not providing enough air flow. Any suggestions. Thank you.

If they have the rough pump positioned under the back of the instrument have then sit it on the floor. That will remove a lot of heat from the area of the turbo pump also.

Agilent designed the 5973 and newer MS instruments so that the small pumps would fit into the back of the unit to reduce the space needed, but to me it seems like a bad idea because of heat issues. Especially if the lab room temperature is relatively high.

Thanks. Their pumps are on the floor away from the instrument. I'm not sure about the error for heat. I don't know what pump they have or if it's capable of relaying that information.