Daikin BRC1C71 Engineering Data page 55

Control Devices
4. Install the Upper Part of the Remote Controller as before.
2.6.5 Error Diagnosing Function
This schedule timer is provided with the malfunction-diagnosing function. The malfunction code flashes if there are any
communication malfunctions between the optional controllers for centralized control. In addition, the operation lamp
also flashes if there are any malfunctions with the indoor unit. Check the display and contact your DAIKIN dealer to
report the trouble area indicated.
Operation
Lamp
Turn Off
Turn On or Off
Turn On or Off
Turn On or Off
Flash
Flash
54
Malfunction Code
M1 Failure of PC board of schedule timer
M8 Malfunction of transmission between each optional controller
MA Improper combination of optional controllers
MC Address failure of schedule timer
UE Malfunction of transmission between indoor unit and optional controllers
Malfunction in indoor unit: Refer to the malfunction codes of the indoor remote
—
controller, and read the accompanying CAUTION FOR SERVICING manual.
Malfunction
EDUS39-605
Controls