Mirtone Service & Repair Forum
I am repairing a door lock at an apartment block showing these symptoms.A transformer feeding the MA-485 is outputting 19.25 volts...will this harm the unit.It is a 16 volt amplifier.B when an apartment station depresses the door button the output at the amplifier terminals for the ac door reads 19.25 volts...but when it is released it only drops to 18.85 volts...which makes me think the relay is stuck on the amplifier.....bottom line do I need a new controller?C the electric strike shows a rating of 24 vac? how could this function well on a 16 volt system?It appears to have been part of this system for some time..and the caretaker has said there are problems with the system as far as people getting in without being buzzed. what is the lowest voltage a 24 volt buzzer could activate at?
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Recent 88 Comments
The Mirtone 79044 25412275rev7 Zone Board in the warehouse is exhibiting unusual behavior, deviating from its normal operations.
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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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Do you have a Mirtone 79044 25412275rev7 Zone Board available for sale or repair? We need to keep production running.
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Please provide details about the Mirtone 79044 25412275rev7 Zone Board. Is this product still supported, and are replacement parts available? Thank you.
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Zone board on Mirtone 749044 25412275rev7 failed during rounds. Need urgent attention to replace board for system functionality.
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Can the Mirtone 79044 25412275rev7 Zone Board be repaired or replaced? I'm looking to address this
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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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The Mirtone 749044 25412275rev7 Zone Board in the warehouse is not functioning as usual. It is displaying unusual behavior, but I am not certain what the specific issue is.
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Mirtone 79045-2 Alarm Board is malfunctioning, urgently requires repair to resume production. Requesting immediate attention to minimize downtime.
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the Mirtone 749044 25412275rev7 zone board malfunctioned and needs attention. Please check and repair during the day shift. Thanks!
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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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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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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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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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the Mirtone 79045-2 alarm board went down mid-shift. Please have someone check it out first thing in the morning. Thanks!
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The maintenance team reported an issue with the Mirtone 79044 25412275rev7 Zone Board. They need assistance troubleshooting it.
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Hi...I have one customer with no voltage to the door striker but have confirmed the striker works. Transformer is ok! Do you have the parts for this, relay etc to ship so I can repair it or do you have a re-conditioned unit for sale. The seniors in thecomplex want it yesterday..Can you help?R.Jim Wh…Purchase or Repair: 
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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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Hello, I am looking for assistance with a Mirtone 79044 25412275rev7 Zone Board. Can you please provide information on troubleshooting or repairing this part for my client? Thank you.
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Board failure on Mirtone 79044 25412275rev7 Zone Board identified during maintenance rounds. Needs immediate attention to avoid disruptions.
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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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I'm experiencing some issues with the Mirtone 749044 25412275rev7 Zone Board... something seems to have stopped working.
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Having issues with the Mirtone 79045-2 Alarm Board. Need a repair technician to check and fix the industrial unit. Please respond if you can help.
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Hello, I am inquiring about a Mirtone 79045-2 Alarm Board for a client. They are experiencing issues with it and would like to know if you are able to provide repair services for this specific part. Thank you.
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Could you please confirm if the Mirtone 79044 25412275rev7 Zone Board is still supported or if replacement parts are available for this older unit? Thank you.
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Mirtone now owned by GE and system is 20+ years old - No manuals or hookup diagram left - please help
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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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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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Unit 79044 25412275rev7 (Zone Board) went down mid-shift. Need follow-up during the day.
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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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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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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: 
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The Mirtone 79044 25412275rev7 Zone Board is still down. Please provide an update as soon as possible.
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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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Can you please confirm if the Mirtone 749044 25412275rev7 Zone Board is still supported or if parts are available for repair? Thank you.
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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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Unit 25412275rev7 (Mirtone 79044) zone board is malfunctioning. Needs attention ASAP. Please check and reset during AM shift.
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Unit 79045-2 alarm board malfunctioned mid-shift. Please have a technician check it in the morning.
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The Mirtone 71269F fire alarm panel unit isn't functioning. Maintenance team needs to check it.
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Hello, I am reaching out to inquire about the Mirtone 79045-2 alarm board. Our team is looking for information on whether this unit is still supported or if replacement parts are available. Could you please provide details on the current status of this product? Thank you.
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I'm experiencing some issues with the Mirtone 749044 25412275rev7. It seems like the machine has stopped functioning properly. Can you help troubleshoot the problem?
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Hey, just a heads up, we've got a failed drive or board on Mirtone 79045-2 in need of your attention ASAP. Keep me posted.
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The Mirtone 749044 25412275rev7 is a Zone Board that is not currently working.
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Hello, I hope this message finds you well. We are looking for information regarding the Mirtone 749044 25412275rev7 Zone Board. Could you please confirm if this unit is still supported or if there are replacement parts available for it? Thank you.
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