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Climate Right Air Troubleshooting

Troubleshooing Error Codes

CR2500ACH, CR5000ACH, CR10000ACH, CR13000PACH

Error Code Possible Causes What to Do
E1 Inlet temperature sensor issue. Replace inlet temperature sensor. Contact ClimateRight.
E2 Refrigerant tubing temperature sensor issue. Replace refrigerant tubing temperature sensor. Contact ClimateRight.
E3 Airflow problem. The freeze protection sensor has been tripped. Result: Condenser freezes. Be sure ducts are connected in straight line to your structure without major bends or sharp turns. Unit will automatically shut off and restart on its own – normally within 15-30 minutes.
E4 The Compressor is overheating; continuously running or refrigerant has leaked. Check for refrigerant leakage (oil or liquid visible). Contact ClimateRight. These are closed systems - no refrigerant can or should ever be added.
E5 Communication failures. Change the wired remote control line or remote control.

Models: CR2500ACH, CR5000ACH, CR10000ACH

Why aren't the screws required for installation of the unit included in the hook-up kit?   ClimateRight does not provide screws for the Building Flanges because there are many types of materials and thicknesses that the flange could be installed into and we cannot provide screws for each situation. Our recommendation is to use #6 flat head screws appropriate for the material being fastened to.
Why isn't there a hole saw in my kit?   ClimateRight does not provide the hole saw. A 3-1/2” hole saw is recommended for use with the Building Flange.

Models: CR2500ACH, CR5000ACH, CR10000ACH, CR12000SACH, CR13000PACH

Air conditioner does not start. The air conditioner is unplugged. Check that the air conditioner plug is inserted completely into the outlet.
The fuse is blown or the circuit breaker has been tripped. Check the house fuse/circuit breaker box and replace the fuse or reset the breaker.
Power failure.

The unit will automatically re-start in the settings last used after the power is restored.

There is a protective time delay (approximately 3 minutes) to prevent tripping of the compressor overload. For this reason, the unit may not start normal cooling for 3 minutes after it is turned back on.

Water builds up in unit. Clogged drain hole Check the drain hole and unclog if it is blocked. Make sure the unit is on a level surface.
Air conditioner does not cool as it should. Airflow is restricted. Make sure there are no obstructions blocking the supply or return air vents.
The temp control may be set too high. In the Cool mode, press the Decrease (–) button.
The air filter is dirty. Check and clean the filter at least every 30 days.
The condenser is dirty. Use a hose and nozzle set to the gentle setting to gently rinse debris out of the condenser fins.
Space not cooling quickly. Allow up to 24 hours for the unit to cool down the space.
The remote control is not working. The batteries are inserted incorrectly. Check the position of the batteries. They should be inserted in the opposite (+) and (-) direction.
The batteries may be dead. Replace the batteries.
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