Daikin Minisplit, Malfunctioning Blower. How to Diagnose and Replace EP100

Daikin FTXS L Series indoor head was locked out. The unit was a 2 head system. The downstairs head was working fine. I found the head was blinking. In this video I show you how to recall the error code and test the blower motor. I was getting lower then specification voltage on Pin 3 and 4. I ended up changing the indoor control board off video, but this made no change. I then disassembled the indoor unit and replaced the blower motor. This is how you disassembled the indoor unit to get to the indoor blower motor and replace it.
Daikin Service Manual
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Daikin Error Code Lookup
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[@melvinmoniz9847]

You don’t need to remove the indoor unit to replace the motor or the blower wheel done it lots of times

[@l3luemaglc]

Good work!, probably wouldve been better having them purchase a new air handler

[@VinceCuzmono]

Love the inverter stuff, but that's a pain in the ass for a motor swap. Niice job on 100!

[@dorisliknesss9098]

If this is what I have to do to change a fan motor. I will not sell another Daikin heatpump

[@NighthawkHVAC]

In retrospect I’d probably just change the whole head unit.

[@chrisgreen8897]

How did you reference those voltages? What told you how much voltage needed to be on those wires? Just curious so I'll know in the future

[@NighthawkHVAC]

I used the service manual. The link to it is in the description.

[@cdavisultrakc4351]

Both the wheel and motor can be replaced without removing the unit from the wall - I know you're meaning well but not the correct information.

[@chatrkat]

I complement you on that very involved repair, also your work ethics, for staying past quitting time so it was finished for the customer that day. 👍🏻

[@youdontknowme5969]

Happy 100!

[@andrewmcdonald4519]

Jeeze all day blower motor repair, I do them right on the wall, takes same care and patience but no big deal

[@steamfitters602]

You do not have to remove coil to change blower motor

[@heinzotto1194]

Did you have to evacuate the system before disconnecting the line set?

[@NighthawkHVAC]

No I recovered the refrigerant then disconnected the line set.

[@tonydelgrego2906]

Nice professional troubleshooting and repair

[@mansourramzey7711]

Wow, that was a great fix. ✌

[@djsm0609ify]

Yay!!! 100🎉 Good job!!!

[@joetech5787]

Great video

[@pinolanuts69]

Although it's likely inevitable, I hope I never have to replace one of these motors.