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We’ve installed a Goodman ductless have System and it won’t…

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We’ve installed a Goodman...

We’ve installed a Goodman ductless have System and it won’t run. There is a light on the Mother board that blinks 5 times, stops, then blinks 5 times, stops and repeats. We can’t find anything in the owners manual. This was a pre-owned unit that we installed ourselves and had an HVAC Tech come and look everything over after charging with refrigerant.

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Submitted: 3 months ago.Category: HVAC
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Answered in 1 minute by:
4/1/2018
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago
Daniel Plourde
Daniel Plourde, HVAC Technician
Category: HVAC
Satisfied Customers: 455
Experience: I've been in the HVAC buisness since 2008 working on residential, commercial, and industrial buildings
Verified

hi i am dan i can help you with this. what is the model number of your unit?

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Customer reply replied 3 months ago
Msg-24HRN1-2
Customer reply replied 3 months ago
Chat is fine
Customer reply replied 3 months ago
Hello?
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

on the circuit board, there are 4 led lights in a row that will be on or flashing. look at those led lights to see which ones are flashing in order to determine the error code.

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Customer reply replied 3 months ago
There is only one led light on the circuit board.
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

make sure you are looking at the indoor board not the outdoor board

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Customer reply replied 3 months ago
The indoor unit shows a communication error. The mother board on the outdoor unit has one led light that blinks 5 times.
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

if you are getting a communication error check the wiring between the indoor and outdoor unit making sure the wires are connected to the same terminals. also what type of wire are you using?

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Customer reply replied 3 months ago
Stranded wire. One gauge lighter than standard 110v wire
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

ok next double check the 4 wires between the 2 units to make sure they are connected corectly

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Customer reply replied 3 months ago
I have two yellow and two orange. Yellows are my l1&l2. Orange 1 is communication and orange 2 is ground. All are connected properly and tight.
Customer reply replied 3 months ago
Troubleshooting guide says to try installing a new motherboard.
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

make sure the 2 orange wires didn't get reversed and if you have a meter i would recommend checking them for continuity before replacing the circuit board.

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Customer reply replied 3 months ago
I checked them both
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

ok then all that is left is to replace the circuit board.

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Customer reply replied 3 months ago
Thank you. Happy Easter
HVAC Technician: Daniel Plourde, HVAC Technician replied 3 months ago

thank you for using this service. if you have any more questions please let me know and if you could rate me on my service by selecting one of the 5 stars on your page i would appreciate it.

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