medina Posted June 25, 2010 Share Posted June 25, 2010 I have just borrowed a couple of Mac500's and they are getting a tad warm to say the least. Should they be really that hot to the touch on the casing? and by hot I mean fry an egg on it! Link to comment Share on other sites More sharing options...
mac.calder Posted June 25, 2010 Share Posted June 25, 2010 Yep. Link to comment Share on other sites More sharing options...
son of lx dad Posted June 25, 2010 Share Posted June 25, 2010 Simply yes. If there was an actual problem, like a dead fan, the unit would shut its lamp off to protect itself. Don't worry until this happens (assuming all is working correctly). Link to comment Share on other sites More sharing options...
medina Posted June 25, 2010 Author Share Posted June 25, 2010 It's happened! Now in worry mode Link to comment Share on other sites More sharing options...
Ynot Posted June 25, 2010 Share Posted June 25, 2010 It's happened! Now in worry modeTo clarify, are you saying it's the head casing that's really hot (which is normal) or the base unit (which is not so)...? Either way, if it's shut the lamp off because it is too hot then a quick and easy first check is on the fan inlets - any obvious clogging of the vents? Link to comment Share on other sites More sharing options...
medina Posted June 25, 2010 Author Share Posted June 25, 2010 yes casing hot, will check fans tomorrow, Thanks Guys Link to comment Share on other sites More sharing options...
Simon Brockwell Posted June 25, 2010 Share Posted June 25, 2010 Maximum surface temp is not supposed to exceed 80 degrees C. That's not to say it won't. Link to comment Share on other sites More sharing options...
son of lx dad Posted June 26, 2010 Share Posted June 26, 2010 Head fan connectors can pop off from time to time. Follow the cables (generally black and red) from the fan to the pcb the connector is mounted on and check all are firmly plugged in. A disconnected cable is more likely than a dead head fan, though if this has been slowly happening over a long period of time could be a fan wearing out. Keeping units clean is a very good start. Link to comment Share on other sites More sharing options...
medina Posted June 26, 2010 Author Share Posted June 26, 2010 I stripped the offending unit this afternoon, fans were a bit dusty, but running ok. All cleaned out so hopefully all fixed. Will test on Monday. If this has not worked where should I look next? Link to comment Share on other sites More sharing options...
Jamtastic3 Posted June 26, 2010 Share Posted June 26, 2010 You can probably upgrade your fan perhaps? Similar specs but with more air flow. Link to comment Share on other sites More sharing options...
DrV Posted June 26, 2010 Share Posted June 26, 2010 Just because the fans were running when you looked doesn't mean they are always working - the little PCB that the fan connects to is very susceptible to dry/cracked solder joints.Dave Link to comment Share on other sites More sharing options...
TheLightsTech Posted July 6, 2010 Share Posted July 6, 2010 I'd strongly caution AGAINST upgrading the fans (unless martin gives the ok) because they use specific fans for specific reasons. Installing a more powerfun fan could draw too much current damaging other components or causing a voltage drop within the PCB. Link to comment Share on other sites More sharing options...
dmxtothemax Posted July 6, 2010 Share Posted July 6, 2010 You should accurately measure the temp of the casing,use an electronic measuring thermometerthen ring martin and ask them!Its sometimes quite normal for these things to run quite warm,But what one person calls hot another person might call warm,contact martin and find out what is normal!Modern electronics will work quite happily at up to 85 degs. I stripped the offending unit this afternoon, fans were a bit dusty, but running ok. All cleaned out so hopefully all fixed. Will test on Monday. If this has not worked where should I look next? Link to comment Share on other sites More sharing options...
dmxlights Posted July 6, 2010 Share Posted July 6, 2010 The OP siad that "I have just borrowed a couple of Mac500's". If it was me I would go and ask the person or shop that I borrowed them from and ask and not go taking them apart and trying fixing it. Link to comment Share on other sites More sharing options...
Jamtastic3 Posted July 7, 2010 Share Posted July 7, 2010 I'd strongly caution AGAINST upgrading the fans (unless martin gives the ok) because they use specific fans for specific reasons. Installing a more powerfun fan could draw too much current damaging other components or causing a voltage drop within the PCB. Surely if you just bought fans with a higher airflow but have the SAME current/voltage (and other various specs), this would be an advanced benefit. Link to comment Share on other sites More sharing options...
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