■ Title - Inspection code: CH66
■ Problem - Error/Display screen
■ Symptom - Error code (CH00~299)
■ Possible Cause
- CH66 error can occur when there is a problem with the communication line connection or the piping connection between the indoor unit and the outdoor unit.
■ Solution or Settings
※ Check points
▶ CH66 code detects communication error and piping connection problems of the inverter indoor unit and outdoor unit.
Installation technician should check if the communication lines and the piping is properly installed.
2. Did the CH66 error code occur after using the appliance for a period of time?
▶ Electrical problems such as electrical instability can cause temporary error.
Unplug the power cord or shut off the circuit breaker and turn the power on after 5 minutes.
If the error continues after taking the above measure, request for a qualified technician to inspect the appliance.
■ Summary
- CH66 error can occur when there is a problem with the communication line connection or the piping connection between the indoor unit and the outdoor unit.
[If the error occurs after the installation] The technician needs to inspect the appliance again.
[If the error occurs during the operation] Reset the circuit breaker of the appliance and check if the error is gone.
If the symptom continues, the technician needs to inspect the appliance again.
- The end -
