Daikin Sky Air R-407C Service Manual page 235

ESIE02–01
Abnormal operating Make sure the required space for installation is provided. See chapters "General Outline: Indoor Units"
noise and and "General Outline: Outdoor Units".
vibrations
Equipment does To troubleshoot, check the following:
not operate
(operation light
OFF)
Poor cooling or To troubleshoot, check the following:
heating
Operation stops To troubleshoot, check the following:
suddenly
(operation light
flashes)
The operation light flashes when the following errors are detected:
Abnormal The air conditioner may malfunction due to lightning or radio waves. To check, proceed as follows:
functioning
Step
1
2
3
Part 3 – Troubleshooting
Check if the breaker has switched OFF or the fuse has blown.
Check if the batteries are placed in the remote control.
Check if the address switch is set correctly. See page 4–5.
Check if the timer is set correctly.
Check if the filters are clean.
Check if there is no obstruction of the air inlet or outlet of the indoor and outdoor units.
Check if the temperature settings are correct.
Check if all windows and doors are closed.
Check if the air flow and air direction are set correctly.
Check if there is no ventilation operation.
Check if the air filters are clean.
Check if there is no obstruction of the air inlet or outlet of the indoor and outdoor units.
Activation of a safety device or malfunctioning thermistors.
Transmission error between the indoor and the outdoor unit.
Action
Switch OFF the breaker.
Switch it back ON.
Check the operation by trying to operate with the remote control.
Troubleshooting
1
3 3
4
5
3–5