20 Most Recent Carrier HCA333D Air Conditioner - Page 3 Questions & Answers

The E-4 is either a discharge thermistor or the Pc board, in my experiences has always been the thermistor. Hope this helps. Michael I’m happy to help further over the phone at https://www.6ya.com/expert/michael_341f3f9dee622e54

call a furnace repair service locally

Fuse is probably blown. Check thermostat wiring and electric furnace for wiring. Look for 3 amp automotive fuse in furnace and replace

You have to try resetting the system. First turn the breaker off for the condenser and wait about 20 seconds. After you turn it back on the system should reset. If that dosn't work then you should contact a professional. AC Repair West Palm Beach

no info generic answer the code for your make or model is only 4 digits look up online or call customer service for assistance

2_1/2

You probably need to get a service tech out. Here is the manual on the unit Carrier 25HNA6 Installation Instruction

4 TON

I have the same issue

The answer is yes. Chances are that the tstat you have now just hasn’t been setup properly. Don’t want to get the new tstat and have the same issue but I suppose you could try!

You likely have dehumidification enabled. Although temp is satisfied humidity set point is not. Adjust humidity set point, over cooling set point, or just disable!!

CHANGE OR CLEAN FILTER

check the conections try contact sprey

If you have two drives running in tandem, you may often see an F6 or F7 code because the drives have been programmed to trip using the Aux inputs if the other drive is not ready

I think you can find it in the user manual of the unit.

check room&coil sensors

There has to be a model number on that unit and it may be inside the unit. Without that information it would be nearly impossible to locate any information on it. Due to age and technology used, it may be better to replace it with something more modern.

It should be a pop up out front panel with screws inside

Is there a built-in humidifier? That would explain water in the reservoir. Is there a fill cap for the water reservoir?

Check out the pressure switch Also check the flame sensor is clean. Check where the flue pipe terminates see that it is not blocked