Lamps Flickering

jkirkpatrick · 03-14-2008, 10:23 AM

I have searched through all the threads I could find on this subject and none seem to fit my exact symptom. I have a used sunquest pro28 ( I know very old bed). Ok here is whats happening, 90% of time everything works like its suppossed to, but about 10% of the time it makes a crackling sound that pulses about once every second and the lamps flicker with the pulsing of the crackling. If we turn the bed off and immediatly back on it usually corrects itself, sometimes it takes off/on 2 or 3 times to get it to run correctly. We have a remote hardwire timer installed, just a home-depot manual timer. The bed has done this we got it about 3 months ago, I recently replaced all the lamps hoping this would correct it...it did not. I failed to replace the starters when I re-lamped, I have them just haven't gotten them in yet. I am thinkning possibly the starters (will replace them this weekend), buck booster (which I have a spare to try), Ballast? or Capacitor? Call the repairman?
Timer on the bed? I haven't figured out how to bypass/disconnect the on-bed timer so we have to turn the bed timer on, then the remote timer can control it. Anybody wanna take a stab at it? Any and all help is very much apprciated.

engfant · 03-14-2008, 10:36 AM

Should have done the starters first. 99.99999% of the time the starter is the problem and yes, they will all die around the same time if they were all installed at the same time.

jkirkpatrick · 03-17-2008, 09:17 AM

Turned out to be the contactor......

tanacious1 · 03-21-2008, 08:58 PM

Always listen toy our bed and it wil tell you. The relay should have chattered, and probably even had a soft hum when running correctly. When they go bad, they sometimes will shut off mid cycle and turn back on. Another thing that could have caused your hard start is lack of power. You still might want to check your power, as low voltage can wear out relays and parts.

Good to see you fixed it though. Happy tannning

03-14-2008, 10:23 AM	#1 (permalink)
jkirkpatrick Join Date: Dec 3 2007 Location: Kentucky Posts: 2 Rep Power: 0	Lamps Flickering I have searched through all the threads I could find on this subject and none seem to fit my exact symptom. I have a used sunquest pro28 ( I know very old bed). Ok here is whats happening, 90% of time everything works like its suppossed to, but about 10% of the time it makes a crackling sound that pulses about once every second and the lamps flicker with the pulsing of the crackling. If we turn the bed off and immediatly back on it usually corrects itself, sometimes it takes off/on 2 or 3 times to get it to run correctly. We have a remote hardwire timer installed, just a home-depot manual timer. The bed has done this we got it about 3 months ago, I recently replaced all the lamps hoping this would correct it...it did not. I failed to replace the starters when I re-lamped, I have them just haven't gotten them in yet. I am thinkning possibly the starters (will replace them this weekend), buck booster (which I have a spare to try), Ballast? or Capacitor? Call the repairman? Timer on the bed? I haven't figured out how to bypass/disconnect the on-bed timer so we have to turn the bed timer on, then the remote timer can control it. Anybody wanna take a stab at it? Any and all help is very much apprciated.

03-14-2008, 10:36 AM	#2 (permalink)
engfant FREE ENGFANTUCATION Join Date: May 20 2003 Posts: 8,498 Rep Power: 12	Re: Lamps Flickering Should have done the starters first. 99.99999% of the time the starter is the problem and yes, they will all die around the same time if they were all installed at the same time. __________________ Nothing is more dangerous than stupid. The #1 cause of death is natural causes...but where's the ribbon? http://mercola.fileburst.com/Flash/A...wsubscribe.swf

03-17-2008, 09:17 AM	#3 (permalink)
jkirkpatrick Join Date: Dec 3 2007 Location: Kentucky Posts: 2 Rep Power: 0	Re: Lamps Flickering Turned out to be the contactor......

03-21-2008, 08:58 PM	#4 (permalink)
tanacious1 Join Date: Jun 30 2005 Location: Florida Posts: 18 Rep Power: 0	Re: Lamps Flickering Always listen toy our bed and it wil tell you. The relay should have chattered, and probably even had a soft hum when running correctly. When they go bad, they sometimes will shut off mid cycle and turn back on. Another thing that could have caused your hard start is lack of power. You still might want to check your power, as low voltage can wear out relays and parts. Good to see you fixed it though. Happy tannning

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