Einleitung
The MrCool mini split AC air handler has a beeper buzzer which you cannot disable via software or remote. Follow these directions to remove the buzzer.
Was du brauchst
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Turn off power to the unit at the circuit breaker. Lift up to open the front cover of the air handler as if you were going to clean the air filters.
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Disconnect the ribbon cable which connects the front cover to the main body of the air handler.
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Push outwards on the cover hinge arms to release the plastic hinges, the front cover should lift away from the main unit.
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Use a Philips head screwdriver to remove three screws from the front of the unit. The middle screw is hidden under a small plastic flap (see second photo).
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Gentelly pull up on the top of the white plastic housing to release the housing from the main unit. There are six small clips that need to be release from the top before the white housing will release from the unit. Once the clips on top are released, pull the white cover away from the wall while rotating it forward (roll it away from the wall).
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Use a Philips screwdriver to remove the screw at the top right of the unit holding the control box in place
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Pull the control box away from the unit, rotating it clockwise to reveal the back of the control box which was facing into the unit
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Release plastic clips to remove the metal shielding from the side of the control box that was facing into the unit
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Locate the piezo buzzer on the main PCB and pull on the top half of it with your fingers or with a pair of needle nose pliers to remove the top half of the buzzer.
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With top half of buzzer removed your unit will now be silent. Repeat steps backwards to reassemble.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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6 Kommentare
I didn't want to make a permanent change or risk damaging anything, so instead of removing the buzzer, I put a cut piece of paper cotton swap stick in the hole of the buzzer and dabbed some hot glue on top. This made the beep barely perceptible.
Thank you for the guide!
Thanks for the info! I made a video on how to do this.
https://www.youtube.com/watch?v=ttLZ0GEP...
Great guide, very helpful 👍
I do recommend against doing this as the beeping can warrant any of the following: A dirty air filter, malfunctioning thermostat, Frozen evaporator coils, Low refrigerant levels, or Electrical issues
Removing the buzzer may prevent a user from knowing about any underlying issues the machine is detecting and may cause further damage to the machine if the issue is not diagnosed
Can't believe this cannot be disabled for temp changes, not when errors or faults happen. This is a Firmware update need
