Colleagues Two years ago I had a Innova 300 5 watt Coherent laser retubed by Evergreen at half the cost of Coherent and this year I had a problem with the water flow meter in the powersupply. I replaced this from a non-Coherent source myself (1/5 th cost but the identical part) but it seems that I need to now get Coherent to re-program the eprom to recalibrate the powersupply. Coherent won't give me an eprom to put in myself - they insist it is a service call even tho it is a very easy task and replacing the flow meter on this powersupply is actually quite difficult!! I eventually placed the service call and the Coherent serviceman told us last week that that they will not service a laser that has been serviced or repaired by any one other than Coherent - they indicated that they knew it was retubed by Evergreen so they would not support the laser. I am quite suprised about this and frankly a bit miffed having a large number of Coherent lasers. I am now wondering why I would place my laser order for a 2P laser with a company that maintains such a policy. Has anyone else experienced this and if so, how did you resolve the problem? Paul Robinson Purdue University J.Paul Robinson, PhD PH:(765)4940757 Professor of Immunopharmacology Professor of Biomedical Engineering Purdue University FAX:(765)4940517 EMAIL:jpr@flowcyt.cyto.purdue.edu WEB: http://www.cyto.purdue.edu
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