Mirtone Service & Repair Forum

We have a mirtone EC200 installed in a 36 unit Sr. Care complex with standard call switches in each unit and a call light outside the entry door on the exterior of each unit. The system is powered with a 24VAC transformer. We would like to replace the outdoor lights with a Horn/Strobe combination unit to provide for better indication of the call request for emergency personnel. QUESTION: Can we replace the 24VAC transformer with a 24VDC power supply so that we can use 24VDC horn/strobes on the exterior of the buildings? All field wiring would be compatible with this but I wasn\'t sure if the EC200 would operate on a DC supply. 24VDC Horn/strobes are readily available but 24VAC ones (especially when they have to be weatherproof too) are extremely hard to find and are very expensive. Any input would be appreciated.

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— Posted by Dan - North Coast Refrigeration & Electric, Inc on 2010-07-12

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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 89 Comments

#Mirtone by Chairully on 2013-08-06 02:32
Our Mirtone 749044 25412275rev7 Zone Board stopped working. Need a replacement but can't find one. Please provide repair info asap. Thank you!

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#Mirtone by Alireza on 2013-04-04 16:02
Hello, I have a client in need of assistance with a Mirtone 79044 25412275rev7 Zone Board. They are experiencing issues and would like to gather more information on troubleshooting and repair options. Could you please provide details on how to address this problem? Thank you.

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#Mirtone by Jonkman on 2013-07-25 16:32
I'm experiencing some issues with the Mirtone 749044 25412275rev7 Zone Board... something seems to have stopped working.

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#Mirtone by Maryellen Kucera on 2013-06-11 17:43
Do you have a Mirtone 749044 25412275rev7 Zone Board available for sale or repair? Need to get production back up quickly.

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#Mirtone by sabahattin YILMAZ on 2013-08-13 13:32
Could you please verify if the Mirtone 79044 25412275rev7 Zone Board is still supported by the manufacturer or if replacement parts are available for it? Thank you.

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#Mirtone by Balazs Nemeth on 2013-08-17 08:32
The Mirtone 79044 25412275rev7 Zone Board is still down. Please provide an update as soon as possible.

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#Mirtone by nelson dominguez on 2010-01-13 15:59
I require of support and that contacts a distributor to me of mirtone in the city of Mexico thanks

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#Mirtone by Stamper on 2010-12-14 16:55
The Mirtone 79045-2 alarm board experienced a malfunction today, causing downtime in the unit. This occurred at 1130 AM. Can you provide a quick explanation for what happened before the next shift arrives?

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#Mirtone by Jim Rap on 2010-10-31 09:43
Hello, I am inquiring about a Mirtone 79045-2 Alarm Board that needs repair. Can you please provide information on the repair process and cost estimate for this specific part? Thank you.

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#Mirtone by Pavlicek on 2013-07-22 15:32
the Mirtone 749044 25412275rev7 zone board malfunctioned and needs attention. Please check and repair during the day shift. Thanks!

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#Mirtone by Travis Brown on 2019-09-20 18:15
The Mirtone 71269F fire alarm panel unit isn't functioning. Maintenance team needs to check it.

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We have a mirtone EC200 installed in a 36 unit Sr. Care complex with standard call switches in each unit and a call light outside the entry door on the exterior of each unit. The system is powered with a 24VAC transformer. We would like to replace the outdoor lights with a Horn/Strobe combination un…Purchase or Repair: Ticket Image...
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#Mirtone by vargas on 2013-07-26 05:32
The Mirtone 79044 25412275rev7 Zone Board is malfunctioning, leading to a disruption in our production line. Immediate repair or replacement is necessary to resume operations

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#Mirtone by Korin on 2010-08-22 11:57
Mirtone 79045-2 alarm board not powering on, halting production.

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#Mirtone by Pellegrini Yves on 2013-02-26 13:28
The Mirtone 749044 25412275rev7 Zone Board in our warehouse is exhibiting unusual behavior. It is not functioning as it normally does. Please investigate this issue at your earliest convenience.

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#Mirtone by Jack McCUrdy on 2013-09-11 12:28
Unit 25412275rev7 (Mirtone 79044) zone board is malfunctioning. Needs attention ASAP. Please check and reset during AM shift.

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#Mirtone by Sghedoni Giorgio on 2010-08-18 08:40
Could you please confirm if the Mirtone 79045-2 Alarm Board is still supported or if replacement parts are available? Thank you.

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#Mirtone by Dennis Hoard on 2011-03-20 22:58
Mircom Intercom Amplifer -MA-485 \"do,s not have any audio sound aplification needed to operate an apartment intercom station . I beleive when the oringinal split transformer 8v for door and 16 vac for the audio burned out\" because the pos+ side came lose and grounded to the neg - side the replacem…Purchase or Repair: Ticket Image...
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#Mirtone by Chris on 2025-06-16 08:12
Need wiring hookup diagram for a Mirtone 79030
#Mirtone by Kevin Hughes on 2013-11-26 23:04
Do you have a Mirtone 79044 25412275rev7 Zone Board available for sale or repair? We need to keep production running.

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#Mirtone by lalji on 2013-08-08 19:32
I am following up once again regarding the Mirtone 749044 25412275rev7 Zone Board issue. The unit is still down. Please provide an update at your earliest convenience.

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#Mirtone by Graficas Dimensión on 2013-02-13 00:00
Can the Mirtone 79044 board be repaired or bought? I'm trying to check this off my to-do list.

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#Mirtone by Vlade on 2013-05-25 10:24
Mirtone 79044 25412275rev7 Zone Board is not functioning, production is offline.

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#Mirtone by Jimmy Alexander on 2010-08-21 20:30
Hello, I'm interested in purchasing a Mirtone 79045-2 Alarm Board. Could you please provide information on pricing and availability? I am looking to source one quickly. Thank you.

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#Mirtone by fatah on 2013-10-02 09:55
The Mirtone 749044 25412275rev7 is not functioning properly. Please take a look and assess the issue. Thank you.

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#Mirtone by Basheer on 2013-03-16 22:15
Need repair for Mirtone 79044 25412275rev7 Zone Board. Not functioning, looking for technician to fix industrial unit

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#Mirtone by tim stokolosa on 2009-01-17 14:06
My customer has an 8 floor.20 suite/floor mirtone system with pull stations in all suites.each suite is decoded in the mirtone on each floor and then on the first and second floor there are two master stations to decode the floor number. The system is only local to the caretaker.The owners want all …Purchase or Repair: Ticket Image...
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#Mirtone by Moisés Fernandes Cunha on 2010-08-13 00:15
The Mirtone 79045-2 alarm board is not working, as reported by the shop.

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#Mirtone by john Voorhis on 2010-11-20 07:54
The Mirtone 79045-2 alarm board in the warehouse is exhibiting abnormal behavior. It is not functioning as it typically does, and its operations seem odd.

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#Mirtone by denton on 2013-07-25 00:32
Hello, the Mirtone 79044 Zone Board is displaying error code ER345. The alarm is continuously sounding, and all zones are appearing as inactive. Urgent assistance is required to troubleshoot and resolve this issue

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#Mirtone by jarvis on 2013-07-14 08:57
Could you please confirm if the Mirtone 749044 25412275rev7 Zone Board is still supported or if replacement parts are available for this unit? Thank you.

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#Mirtone by Jesus Maldonado on 2013-06-25 12:36
the Mirtone 79044 25412275rev7 zone board on unit XYZ went down mid-shift. Please check it out and get it back up and running. Thanks!

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#Mirtone by Parida on 2013-08-14 14:32
Can the Mirtone 749044 25412275rev7 Zone Board be repaired or replaced? Just trying to check this off my to-do list.

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#Mirtone by andré desjardins on 2008-08-06 21:37
hello we did renovation and we broke a wire now we need the sqematic for it thank you

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#Mirtone by Bennie Johnson on 2013-11-14 01:19
Hello, could you please provide repair information for Mirtone 749044 25412275rev7 Zone Board? It has stopped working and we need a replacement. Thank you.

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#Mirtone by Thoma on 2013-03-25 04:32
Mirtone 79044 25412275rev7 Zone Board not powering up.

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#Mirtone by Mr. M.R. THIAGARAJAN on 2010-09-19 22:22
The Mirtone 79045-2 alarm board in location XYZ is acting erratically. It is displaying unusual behavior that is not typical of its regular functioning.

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#Mirtone by Volker Schmidt on 2013-04-06 08:57
The Mirtone 749044 25412275rev7 is a Zone Board unit, but I'm not fully familiar with it yet. Maintenance team reported that the unit is not working and needs attention.

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#Mirtone by steve reyes on 2013-08-10 05:35
Do you have a Mirtone 79044 25412275rev7 Zone Board available for sale or repair? Our unit is down, and we need to keep production running. Thank you.

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#Mirtone by SPYROS C MASTER on 2013-09-24 05:48
Unit 79044 25412275rev7 (Zone Board) went down mid-shift. Need follow-up during the day.

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#Mirtone by rick gatchell on 2013-04-10 12:44
The Mirtone 749044 25412275rev7 is a Zone Board that is not currently working.

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#Mirtone by street on 2010-09-29 21:17
The Mirtone 79045-2 alarm board is malfunctioning, causing delays in production. Immediate repair service is needed to avoid further disruption to the production line. Please address this issue urgently.

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#Mirtone by rosemary on 2025-06-06 13:08
Could you please provide repair information for a Mirtone QSP218 50064 Circuit Board? We need a quick answer for a replacement. Thank you!

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#Mirtone by Faisal Riaz on 2013-06-28 01:23
The maintenance team reported an issue with the Mirtone 79044 25412275rev7 Zone Board. They need assistance troubleshooting it.

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#Mirtone by Molauploady on 2013-07-15 23:44
The Mirtone 79044 25412275rev7 Zone Board is malfunctioning, causing a production line disruption. Immediate repair and restoration are critical to resume operations swiftly.

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#Mirtone by Remus on 2013-08-20 13:32
Board failure on Mirtone 79044 25412275rev7 Zone Board identified during maintenance rounds. Needs immediate attention to avoid disruptions.

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#Mirtone by Bruce Aronson on 2008-06-25 04:22
Mirtone now owned by GE and system is 20+ years old - No manuals or hookup diagram left - please help

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#Mirtone by Relivosse on 2013-02-13 19:06
The Mirtone 79044 25412275rev7 Zone Board in the warehouse is exhibiting unusual behavior, deviating from its normal operations.

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#Mirtone by Christiane Larouche on 2009-05-17 13:44
please send manual mirtone ec200 but tone stop laps time small please send me why do it the time = laps time long.ThanksJ\'aimerais savoir comment faire pour mettre le signal sonore sans interruption automatique. C\'est à dire que je veux l\'arrêter moi-même. Merci

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#Mirtone by Ubaid on 2013-12-23 04:37
The Mirtone 749044 25412275rev7 Zone Board is displaying Error Code E13 and not detecting any input from Zone 3. Need urgent service to troubleshoot and resolve the issue.

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