A120 code on Carrier Comfort link what is wrong

Hello Scott

The Raja Akeem Akhter Artificial Intelligence Answer Bot doesn't do follow-ups. It guesses answers and there may not be a sensor. One thing he is right about is that calling a professional is the best solution.

There is some help in this link

https://www.google.com/search?q=Carrier+comfort+pro+APU+fault+code+low+oil+pressure

More help on the sensor

https://www.google.com/search?q=carrier+comfort+pro+apu+low+oil+pressure+sensor+location

..

The thermostat is connected wrong.

Hi Anonymous,
For all wall mounted and Artcool split system codes

Error code = C1 or CH1
Flashing Light = 1
Fault = Indoor temperature sensor open or closedcircuit.
Display = Indoor.
Indoor Operation = ON

Error code = C2 or CH2
Flashing Light = 2
Fault = Outdoor temperature sensor open orclosed circuit.
Display = Indoor Outdoor.
Indoor Operation = ON

What a beautiful unit...Disable the filter countdown feature or raise the time to 90 days.Either way it should still be running.Good luck

Go to panal and reset control. Small reset button on control board. Let me know if it clears.James

For the money might want to look at a ruud or reem carrier is just kind of higher in price and the warranty every manufacture carries at least 5 years on the compressor hope that helps shop around do your home work and remember any unit is junk if not properly in stalled. good luck Tom

Call your local Carrier dealer. They have code to get into system. Rusty Good system

I usually recommend batteryspecialists.com but I couldn't find this battery there. Here is a link for a very reasonably priced battery for your Gigaset A120:

Is this an electric or gass furnace - Eather of these can can have this problem its most recomendable that you call a seviceman .
in the case of electric furnace you may requier a new heat sequencer. And in the case of gass you may requier a new relay.

the e2 code on a carrier comfort zone thermostat is indicitive of the external safety sensors which are located on your units ductwork in the attic. the e2 code are the hpt/ and lat sensor codes. the hpt is the heat pump temperature sensor and the lat is the leaving air temperature sensor. you can pull off the cover of the panel and behind it will actually give you all the fault codes associated with you carrier tsat.each sensor has a certain ohm rating and if its out of the range it will fail. now as to the reasons for failure, the indoor coil could be dirty, filters dirty, refrigerant charge incorrect.