Troubleshooting Rittenhouse: Common problems and repair info

Rittenhouse for Service call 1-336-969-0110 at Industrial Electronics Repair

Rittenhouse Service & Repair Forum

I HAVE A RITTENHOUSE INTERCOM AM/FM SYSTEM , MODEL # 9042 AND I AM TRYING TO FIND OUT WHAT SIZE[POWER REQUIREMENT] TRANSFORMER [ 4 WIRE] I NEED. I DO NOT HAVE THE OLD ONE. ANY HELP WOULD BE APPRECIATED. THANKS

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— Posted by GARY KASPRZYK on 2007-12-26

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Recent 314 Comments

#Rittenhouse by Michelle NEWBY on 2009-05-20 00:04

Wee have an Emerson Rittenhouse doorbell model #RC552-1. The motor has fried itself. Can you repair? Thank you. H - (805) 685-2317

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#Rittenhouse by Jennifer Walker on 2009-04-26 01:22

I have read several threads asking about updating an old Rittenhouse system. I would like to do the same, hopefully avoiding the need to replace drywall, etc., since this system is considerably larger than the Nutone products. I couldn\'t find any responses addressing whether or not there were solut…Purchase or Repair:

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#Rittenhouse by Galen Beaupre on 2019-06-10 14:27

I have a Rittenhouse Model 526.What would cost to test it?

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#Rittenhouse by Joe on 2012-04-18 13:36

Could you please direct me as to where I may be able to obtain a circuit diagram for a rittenhouse installed in the 1980?Many thanksJoe

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#Rittenhouse by isagani l. cua on 2015-03-13 18:40

Sir: Please help me diagnose the problem of my C8204 door chime, andthis morning I heard a noisy sound from the unit. And please give menearest service center here in Chino hills, CalifornialThanks

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#Rittenhouse by Agnes R. Kellan on 2009-11-06 01:18

I have my radio-intercom since 1969--In hasn\'t worked for about three years. I have two stations.

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#Rittenhouse by IRA G NICHOLS on 2025-07-08 20:58

I have a rittenhouse model c8204 that stopped working, had been working for years. New outside doorbell installed my be the cause.Can I test the bell by shorting the two screw terminals on the rittenhouse inside unit.

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#Rittenhouse by Dick Dingman on 2009-04-20 19:15

I purchased this residential unit in 1986. It is now giving a significant hum and does not produce all of its chimes.Does this give you a clue as to repairability?

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#Rittenhouse by DANNY on 2010-05-06 16:48

I AM A ELECTRICAL CONTRACTOR AND HAVE BEEN TOLD THAT NUTONE WILL WORK USING EXISTING WIRING THE PROBLEM IS NUTONE WILL NOT WARRANTY IF YOU DO NOT USE NUTONE WIRE, BUT THEY DO HAVE A 30 DAY RETURN POLICY TRY THE SYSTEM IF IT DOES NOT WORK TAKE IT BACK ASAP

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#Rittenhouse by Doug on 2011-10-01 20:21

I currently have this unit for sale on ebay. the wiring is simply two wires from the 16v transformer to the appropriate screw terminals on the printed circuit board and then the \"switch leg\" from each door bell button at the doors you are using attached to the corresponding terminal screw as label…Purchase or Repair:

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#Rittenhouse by Terri McDougall on 2012-04-06 14:55

Our house was built in 1978 and we purchased it in 1997. It had the Rittenhouse monitor system in place with the main unit in the kitchen and smaller units scattered thought the house and in an attached apartment. The unit has never worked since we have been here and I was wondering if it is repaira…Purchase or Repair:

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#Rittenhouse by william hogan on 2006-09-05 18:05

I have a rittenhouse am radio intercome that works well. It has 7 receivers + the base unit. can it be changed to fm ? I believe it is a late 60s mdel. thanks

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#Rittenhouse by Bob Murley on 2014-10-31 04:57

Is the volume of the chime adjustable?

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#Rittenhouse by Peter Taylor on 2013-02-15 23:47

I have a Ritten House Master Model 631 & 632 in my shop for repair. I would like to obtain a service manual for this item. Please advise if this is available. The clock is in bad shape as it fell of a wall and is in many pieces. Some of which I shall need to purchase.Please advise Peter TaylorTaylor…Purchase or Repair:

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#Rittenhouse by Mickey Loveria on 2007-08-30 14:53

Existing model was put in my home maybe late 60\'s, with ivory base unit and 4 ivory receivers plus brass door unit intercom. The radio reception is irregular, fades in and out and there is much static. Sometimes have to jiggle knobs on base unit to tune radio! Any suggestions on where to go for upg…Purchase or Repair:

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#Rittenhouse by peter oliver on 2009-07-16 23:50

I am looking for a remote button for this system.Would possibly trade a receiver unit as I have extra.

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#Rittenhouse by MARK WILSON on 2011-01-12 14:35

This is a Mechanical doorbell with Electronic Control Board. I need Someone to give me an estimate for repair or tell me where I can get parts for this device. Thanks, Mark Wilson

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#Rittenhouse by Janice Lopez on 2009-08-12 02:45

I AM LOOKING FOR A DOOR CHIME FOR MY BUSINESS THAT WHEN SOMEONE ENTERS THE FRONT DOOR THAT I WILL BE ABLE TO HEAR THE CHIME IN OTHER AREAS OF MY BUILDING AS WELL. I NEED SOMETHING THAT WILL HAVE A LOUD CHIME BECAUSE MY BUILDING HAS MACHINERY RUNNING ALL THE TIME. CAN YOU SEND ME SOME INFORMATION. TH…Purchase or Repair:

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#Rittenhouse by Ken Selinger on 2012-06-06 02:03

We have an older intercom system M9325 stations, M9318, and M9322. We are wondering if there is anything we can do to reduce the standing hum.Thanks

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#Rittenhouse by Kenneth Jackson on 2009-06-25 01:00

I have had this for almost 50 years and the clock does not work, for some unknown reason, and the chimes are weak sounding and miss at times. I need help. Can this be repaired?

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#Rittenhouse by dave walters on 2008-10-24 14:59

Just wondering i have a rittenhouse system rcm-1 and the intercom system part does not seem to be working. We can broadcast for the main unit and it is heard in the other units but when we try to broadcast from one of the other units to the main you can not hear the person ? Anysuggestions or do you…Purchase or Repair:

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#Rittenhouse by Mark Hefner on 2012-05-18 01:33

I have a emerson rittenhouse rcm 4 main unit with IR6 speakers throughout a house i purchased and am interested in upgrading the entire system. Is there a replacement system where it can be changed out?It will be a few months before I am ready to do it, but am trying to look at options and replaceme…Purchase or Repair:

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#Rittenhouse by David Smith on 2009-03-16 13:36

I need the three coils for the 526 Rittenhouse. ( a power surge burned 2 of the three).

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#Rittenhouse by Robert King on 2010-08-02 01:52

I know this chime assembly is very old but is there a replacement kit for the hammers. they are sticking and perhaps the springs are just too soft. I\'d appreciate any help you can give me.

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#Rittenhouse by Steve Macha on 2026-05-28 22:10

Portion of control board was electrically shorted. Troubleshooting is underway. A circuit diagram and parts list would be helpful. How can I obtain them?

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#Rittenhouse by neil Berman on 2009-07-08 05:25

I have a Rittenhouse Model S7806 Smoke/Fire detector system in my 3-level condo. It was there when I moved in so there is no manual for it.My problem is, after a thunder and lightening storm the other day, I came home to find all 3 units ringing. The only way I could silence them was to switch off t…Purchase or Repair:

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#Rittenhouse by bill morrison on 2006-05-03 03:40

we have an old rittenhouse intercom system. the units look old but still works fairly well. need information on how to update system look without replacing entire system. we\'re remodeling in some areas and would like to check out updating units. don\'t have specs on the system. not sure of—> …Purchase or Repair:

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#Rittenhouse by Shigong Yang on 2008-08-27 03:12

The system is old and has not worked when I bought this house. Wish can fine some one to fixe and test it.

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#Rittenhouse by GENE LAYNE on 2016-07-28 12:11

Can you advise if a Emerson Rittenhouse RC 577 Doorbell mechanical chime will work with a 24V Transformer?I have a 16V and wanted to add a camera to this?ThanksGene 732-754-1205I cannot locate a manual im guessing this was made in the 70\'s

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#Rittenhouse by O. H. Towers on 2010-01-25 16:00

We are also electrical contractor company(Towers Electrical Serv. Inc)We are looking for a model C8931 R Chimer Receiver also a sender unit if possible.We cannot find any info on this item it was made ty Rittenhouse Fayettevilole, nc. 28302

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#Rittenhouse by Delia Castillo on 2008-07-29 03:14

we bought this house with installed system. not working. power source not found.

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#Rittenhouse by Fred on 2011-05-25 04:18

Art - did you get a reply in answer to your post?I am about to restore the same door chime, you may have info that can help.ThanksFred...

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#Rittenhouse by Chuck Duncan on 2013-03-20 00:33

Was working well until I sanded and painted the kitchen. I took the chimes down to paint, put them back and nothing works. I get voltage coming in but it doesn\'t move anything.

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#Rittenhouse by Andrew Lazazzera on 2017-01-16 17:16

HAVE --MODEL DS-2 DOOR SENTRY SAYS 'NOT TO CONNECT TO POWER SOURCE OTHER THAN STANDARD 16 VOLT CHIME TRANSFORMER'NEED TESTING OF ITS TRANSFORMER.I THINK ITS THE TRANSFORMER!WHAT IS PROCESS TO FOLLOW FOR THIS?ANDREW h=773-589-0150 c=773-899-0423

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#Rittenhouse by Dave Spieker on 2017-11-06 22:05

I am looking for a Rittenhouse Chime Receiver Model C8931R. Would you have one available for purchase or can you direct me to a person or another company that may have one available. Thank you!

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#Rittenhouse by David on 2018-03-04 18:16

Have you ever heard of a response on the Rittenhouse 631/632. I too am refurbishing one and need to know the correct tranformer voltage needed and a wiring diagram surely would help. Any insight?

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#Rittenhouse by Gregory Luchey on 2017-03-26 21:44

Door Bell repair motor needed

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#Rittenhouse by Ronda Plomteaux on 2007-08-19 15:03

I have a Rittenhouse intercom system and am unsure of the model #. It was installed in the 70\'s. I am painting my condo and would like to replace the ivory cover with a white cover. How would I go about purchasing just a cover? Thank you

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#Rittenhouse by Gord on 2011-11-24 21:00

Jessica:I have the same model door chime, with the same problem. How did u make out with yours? Do you know any of the history of this chime. From what I can surmise, it was produced after WW2 and that would fit as it was in my parents house when i was born in 1954. I have a friend that is an electr…Purchase or Repair:

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#Rittenhouse by Corinne Censulla on 2012-02-29 17:56

I have a very old doorbell/ clock combination. The Model # is 450. The chimes work but not the clock. Since it is installed into the wall is there one the will replace using the same insert?

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#Rittenhouse by R.Sarin on 2010-08-11 23:11

Hi I need a cover for the rittenhouse door chime model 380 can u pls get back to me thank you

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#Rittenhouse by Earl Miller on 2012-10-11 01:23

Is there a new updated unit (with new bells & whistles) that can use the existing wiring and wall recesses of the old units. If so, where can I get them and what would be a ballpark pricing? Thanks

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#Rittenhouse by Jorge Crespo on 2015-05-11 04:05

Riitenhouse chime model C8538R to connect into the AC adapter 16 volt .

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#Rittenhouse by Bil Hoag on 2015-11-11 17:58

Installed in 1987 when we built the house. Has begun sporadic multiple, single dings, all hours, day and night. I have replaced, back up battery and fuse in motor. Now makes a fairly loud buzzing sound also. Thoughts?

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#Rittenhouse by Oscar Soltero on 2015-08-15 17:20

Hello, I am inquiring about part number Rittenhouse C8578-1 135-7351-01, which seems to be a door chime. My client is experiencing issues with it and would like further information on how to address the problem. Thank you for your assistance.

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#Rittenhouse by DominicJ. Carini on 2009-07-23 03:03

I have a 30 year old rittenhouse door chime with the 4 sequential chimes, one of the plungers has gone lazy. I took the transformer out to try to clean it and lost the little spring that gives the plunger resistance . Do you have any ideas ?Or do you sell parts, perhaps a whole tansformer. I tried t…Purchase or Repair: