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Unit is 2 yrs old, used only to heat garage during winter.

Customer Question
Unit is 2 yrs...

Unit is 2 yrs old , used only to heat garage during winter . Turn on using remote, fan runs about 5 min , unit shuts off . No heat , checked air conditioning , neither working . Had checked out by professional heat pump techs , could not get it working . Checked wiring , compressor , freon , etc . Everything good , no error codes .

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

Thermostat set at 72 , filters checked and clean .

Contractor's Assistant: Do you plan on doing the work yourself?

If I can .

Contractor's Assistant: Anything else we should know to help you best?

Nothing I can think of , techs here could not get it to run , did say it was a very good unit and after doing all they could were baffled .

Submitted: 7 months ago.Category: HVAC
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Answered in 2 minutes by:
11/20/2017
HVAC Technician: airheatman, HVAC Technician replied 7 months ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,180
Experience: Furnace, A/C and heat pump specialist.
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Give me a few more details.What is model on unit?

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Customer reply replied 7 months ago
Be right with you with information , going to double check this info on unit .
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

Standing by

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Customer reply replied 7 months ago
No ,
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

Let me know when you get model so I can be specific to your unit

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Customer reply replied 7 months ago
Seville lildo , outside unit hDH101
Customer reply replied 7 months ago
HDH1010
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

What is brand on unit.Only thing I am pulling up with HDH1010 is a kerosene heater

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Customer reply replied 7 months ago
It is a Seville Mini split with both heat and air 18000 but
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

Thanks. Found the unit.Looking at manuals now.

So during this 5 minutes it runs, does outdoor unit come on and if you go to ac will it cool in ac mode?

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Customer reply replied 7 months ago
Outside fan only runs about 5 min . Then shuts off No cooling no heating .
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

How about indoor, does it run?

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Customer reply replied 7 months ago
No, only fan when turned on
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

Ann the cool mode. Will unit work in cool or do same thing?

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Customer reply replied 7 months ago
Unit does not work in either mode , heating nor cooling .
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

Ok it sounds like the company you had check is not familiar with the Seville mini splits.

Troubleshooting these things is a step by step process Under problem situations either the indoor and outdoor board should display an error code to assist in troubleshooting.

There is no way they could have checked the refrigerant charge without the unit operating in either the heat or cool mode.

As for voltages, there are specific locations they have to check such as 24v between S and N, Whether we get power to the E1 on board after 3 minutes,Being inverter units the fmax frequency has to be within parameters.,etc.

This is going to require a tech who is familiar with these units and has proper test equipment o troubleshoot.

Did the company you called install the unit?

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Customer reply replied 7 months ago
same service and men who were here did the installation .
HVAC Technician: airheatman, HVAC Technician replied 7 months ago

I would demand they get on phone with Seville and have their field rep guide them in troubleshooting this.I see people sell these things and have no idea how to service them.Being inverters they are a totally different animal than a normal heat pump.

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