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Author Topic: 2210 lamp ballast Stephan Shelley Jedi Master Film Handler Posts: 854 From: castro valley, CA, usa Registered: Nov 2014 posted 08-31-2019 05:52 PM                     Here is an unusual one. Been getting the unexpected lamp off error at end of shows and at bootup sometimes. It is not turning off during the presentation. I caught it this morning having the lamp flicker off and on in stand-by and I mean stand-by as when power is first applied but the power on icon in the TPC has yet to be tapped. You can hear a relay chattering in the lamp ballast and the lamp flickering on and off with the chatter. After power on (lamp off) you get the unexpected lamp off error. Shows run normally. I have a replacement lamp ballast and will put it in next week. One for the record books?  |  IP: Logged Dave Macaulay Film God Posts: 2321 From: Toronto, Canada Registered: Apr 2001 posted 09-01-2019 09:51 AM                     The serial data connection to the ballast tends to have issues. Usually just reseating the ballast connector and the PIB solves that. The ballast connector is in a difficult spot: you can see it from the rear but only a child's hand could get at it. Lifting the lamp fan assembly a bit allows access to release the holddown screws and upplug/plug it a few times. Lifting the fans requires the rear cover be pulled back a bit by undoing the upper corner brackets. The fans can get quite clogged with oily dust: If so I take the opportunity to remove and disassemble the fans and clean the rotor vanes and housings.  |  IP: Logged Stephan Shelley Jedi Master Film Handler Posts: 854 From: castro valley, CA, usa Registered: Nov 2014 posted 09-04-2019 06:40 PM                     I replaced the lamp ballast today and so far so good.  |  IP: Logged Scott Christopher Film Handler Posts: 69 From: Adelaide, South Australia Registered: Apr 2001 posted 09-13-2019 09:03 PM                     I've found re-seating the power connector behind the rear door (RHS) normally solves this issue. I have noticed very little effort is required to unplug/plug this connector. It may be worth disassembling the connector and tightening the contacts.  |  IP: Logged

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