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 89 Comments
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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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 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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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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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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The Mirtone 749044 25412275rev7 is not functioning properly. Please take a look and assess the issue. Thank you.
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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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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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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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The maintenance team reported that the Mirtone 79044 25412275rev7 Zone Board is not functioning.
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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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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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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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Could you please provide me with pricing and availability information for the Mirtone 79045-2 Alarm Board? I am looking to source one quickly and would appreciate your assistance. Thank you.
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No power being supplied to the door lock. Unit is clicking when door release pressed but no power being supplies to door lock. Anyone have an answer or solution for this ?
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The Mirtone 79044 25412275rev7 Zone Board in the warehouse is not functioning as expected. It is exhibiting unusual behavior and not operating normally.
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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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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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The Mirtone 749044 25412275rev7 is a Zone Board that is not currently working.
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looking for a unitsystem is in an apartment complex. tenant can operate one entrance and hear from same however 2nd entrance does not work
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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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Unit 25412275rev7 (Mirtone 79044) zone board is malfunctioning. Needs attention ASAP. Please check and reset during AM shift.
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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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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 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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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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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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Do you have a Mirtone 79045-2 Alarm Board available for sale or repair? Our unit is down, and we need to get production running again as soon as possible. Thank you.
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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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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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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: 
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I require of support and that contacts a distributor to me of mirtone in the city of Mexico 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 79044 25412275rev7 Zone Board in the warehouse is exhibiting unusual behavior, deviating from its normal operations.
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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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Mir-tone Assy. 72024100 motherboard not powering up, no lights or display. Need repair service ASAP.
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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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Zone board on Mirtone 749044 25412275rev7 failed during rounds. Need urgent attention to replace board for system functionality.
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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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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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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 79044 25412275rev7 Zone Board is not functioning, production is offline.
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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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The Mirtone 71269F fire alarm panel unit isn't functioning. Maintenance team needs to check it.
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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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