Category Archives: Carrier

Carrier RAC and Heat Pumps AC Error Codes

System Communications Failure

Carrier Infinity Series AC Error Codes

Status Codes

Table 6 shows the status codes flashed by the amber status light. Most system problems can be diagnosed by reading the status code as flashed by the amber status light on the control board.

Carrier Chiller Error Codes

The following list gives a complete description of each alarmĀ code and its possible cause.

Carrier Cassette Air Conditioner Fault Codes

Once a failure occurs with the indoor unit in operation, the greenĀ unit LED flashes at intervals of 0.5 seconds.

Carrier Window Room AC Troubleshooting

Operate the fan without cooling until the frost disappears.

Carrier Split Air Conditioner Error Codes

The printed circuit boards existing inside the indoor unit are equipped with self-diagnostic function to detect malfunction and automatically stops the operation at the air conditioner after blinking of power or timer led as per malfunction.