I have a Dunham bush 12 ton split ac unit triping continuously on heating mode and giving e01 error.plz co-operta

Error 12 - Indoor unit middle pipe thermistor has disconnected or has shorted out.

https://www.google.com/search?q=LG+LAN120HYV+error+code+12

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Zamil 2 ton non inverter split type e7 error what is the problem !? ... There is a mode conflict. Some units are calling for heat and one is calling for cooling.

SOLVED: Error E7 in zamil split ac

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Aug 9, 2021 - Zamil 2 ton non inverter split type e7 error what is the problem !? ... There is a mode conflict. Some units are calling for heat and one is calling for cooling.

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can not find much here but it seems like the air filter is pluged

R22= 70-80psig
R410a=120-130psig
Depending on many variables such as blower speed, coils clean, indoor/outdoor temps.

https://www.scribd.com/document/352983696/Dunham-Bush-Fault-Codes

sir plz answer me my ac orien 1 ton showing EC error on display what is this i can't understand what is this plz reply

Check out this site. you will get an idea about the types of AC so that you can buy it according to your choice.
http://www.hellogiri.com/home-air-conditioner-split-ac-window-ac-price-details-in-india-best-cost/
thanks for rating Good luck

nothing except a mess

Hi,
The factor that you have not included here is the distance from the power panel to the unit...if it is too far then you need to up gauge the wire to compensate for that... that could be why the electrician wanted to go to the 720 ga. wire.

heatman101