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Author Topic: Fader issues with CP 500 Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-20-2014 09:53 PM                     I am having trouble with a CP 500. The fader setting is moving on it's own. There is also a remote fader connected. This is an adult run theater, so no one is fiddling with anything. My first thought is to disconnect the remote fader and see how the processor behaves. I have another processor, so what should I be checking? Thanks  |  IP: Logged Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-20-2014 11:44 PM                     I disconnected the remote fader. Either doing that, or power cycling the processor seems to have fixed the problem. I guess we'll see.  |  IP: Logged Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 05-20-2014 11:45 PM                       This is a really common problem with 500's. You can sometimes clean the pot successfully but you have to get the cover off and clean and squirt electronic cleaner and see if it helps. Otherwise you need to find a new/used door. Dolby no longer supports this device. BACP does repair support on some items as possible but you won't like the price. Probably has nothing to do with remote but to be sure disconnect it.  |  IP: Logged Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-21-2014 12:17 AM                     Sam, Thank you for the comment. I wondered if the issue was with the remote fader or the main fader. I figured if I disconnected the remote, I would isolate the problem. The remote fader is in the concession stand, so it's likely more dirty than the booth. I have another processor. I just don't want to install it. If this continues to act up, I'll buy a CP750 and only use the 500 for film.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 05-21-2014 01:25 AM                     Had to replace a good dozen doors due to this issue with the CP500 during my film years...including the eight softkeys failing and display acting up.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 05-21-2014 05:26 AM                        Digital fader is an off the shelf item. I am really disorganized after the sale of my building, but it is possible that I saved a few.  |  IP: Logged Scott Norwood Film God Posts: 8146 From: Boston, MA. USA (1774.21 miles northeast of Dallas) Registered: Jun 99 posted 05-21-2014 06:35 AM                        I know about this issue on the CP500 (never seen it myself, though), but has anyone had this sort of thing (fader changes slowly by itself) happen on a CP650? I heard about this secondhand, but did not see it myself. This particular CP650 has three (yes, three) cat. 779s, so I suppose that disconnecting them would be the first troubleshooting step.... (Oddly, I have never personally seen any of the major issues with the CP500--the memory dump, the bad fader, or the bad LCD/buttons. The only issue I ever had with those is the occasional line in the LCD.)  |  IP: Logged Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 05-21-2014 11:18 AM                       Travis, The door is a snap to change so try using the door off the other 500. Just some philips screws and a flat ribbon cable. No software to deal with, just power the processor back up.  |  IP: Logged Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-21-2014 11:45 AM                     Sam, If it screws up again tonight, I will go swap the front panel. Am I correct though, that this could be the remote, since they're both active? Louis, If you find a fader let me know.  |  IP: Logged Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 05-21-2014 08:57 PM                       The front panel fader is likely the bad one as it gets a lot more use and also full of dirt from the fans in the front panel  |  IP: Logged Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-21-2014 11:10 PM                     The processor acted fine today for their two shows. He'll let me know tomorrow. I don't know the history of the remote fader. I bought it used a couple years ago. It's six feet from a popcorn machine, that's why I assumed it might be dirty.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 05-21-2014 11:38 PM                     After blowing out the fans and dust from the cards, pull the power cord from the 500 unit, pull all of the cards, using the card hook pull device mounted to the inside wall, out then reinsert the cards and plug the unit back in and power up the system. Amazing how this can clear up many CP500 issues. -Monte  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 05-22-2014 05:47 PM                     quote: Scott Norwood has anyone had this sort of thing (fader changes slowly by itself) happen on a CP650? I heard about this secondhand, but did not see it myself. This particular CP650 has three (yes, three) cat. 779s, so I suppose that disconnecting them would be the first troubleshooting step.... It happens. Same setup: Three remotes (plus Crestron touch panels).  |  IP: Logged Travis Cape Expert Film Handler Posts: 122 From: St. Louis, MO, USA Registered: May 2000 posted 05-27-2014 08:23 PM                     It has been a week without any problems. I will reconnect the remote and see what happens. I tried to spray the pot, but am not sure anything got inside it.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 05-28-2014 06:01 AM                        This is not a conventional pot. It is a digital counter that counts by 8s,  |  IP: Logged

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