The mr cool p4 error code is a code that indicates that the unit is not receiving enough power. This can happen for a variety of reasons, including a power outage, a blown fuse, or a tripped circuit breaker. If the unit is not receiving enough power, it will not be able to operate properly.
Users typically search for a solution by asking about:
- p1 error code
- mr cool p4 error code
1. Check the thermostat to make sure it is turned on
- Open the door to the mr cool p4 to check if the air conditioner is on.
- If the air conditioner is not on, turn the thermostat to the desired temperature.
- If the air conditioner is on but the temperature is not the desired temperature, check the connections between the thermostat and the air conditioner.
- If the connections between the thermostat and the air conditioner are okay, check the power to the thermostat.
- If the power to the thermostat is okay, check the wires inside the thermostat.
- If the wires inside the thermostat are okay, replace the thermostat.
2. Check the breakers to make sure they are not tripped
- Open the hood and check the fuses.
- Check the breakers.
- If the breakers are not tripped, replace the fuse or breakers.
3. Check the filters to make sure they are not dirty
- Turn off the Mr. Cool P4 and unplug it from the power source.
- Remove the filter cover.
- Inspect the filter for any dust, dirt, or debris.
- If the filter is dirty, replace it with a new one.
- Reinstall the filter cover and plug in the Mr. Cool P4.
- Check the error code to see if the filter was the cause of the problem.
4. Check the evaporator coil to make sure it is not frozen
- Check for proper refrigerant charge – If the refrigerant charge is low, the coil may be frozen. Check the system for leaks and correct any issues.
- Check for power to coil – If the coil is not getting power, it may be frozen. Check the system for power to the coil and correct any issues.
- Check for ice build-up – If there is ice build-up on the coil, it may be frozen. Check the coil for obstructions and correct any issues.
5. Check the condenser coil to make sure it is not dirty
- Turn off the AC power to the unit.
- Remove the cover on the front of the unit.
- Look for the condenser coil on the top of the unit.
- If it is dirty, clean it with a soft cloth or a damp paper towel.
- Replace the condenser coil if it is dirty.
- Reattach the cover to the front of the unit.
- Turn on the AC power to the unit and check the error code.
If you didn't find success with an option above, then try:
- Check the compressor to make sure it is not burned out.
- Call a professional to service the unit.