Specifications

Control Devices EDUS391000-C
54 Controls
Wiring Specifications
NOTES:
1. Electrical box and transmission wiring are not attached.
2. Do not touch the PC board with your hand.
3. Keep transmission wiring at least 2 inch away from power supply wiring to avoid malfunctions.
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 and among the optional controllers for centralized control. In addition, the
operation lamp also flashes if there are any communication malfunctions with the indoor unit. Check the contents of the
display for the problem indicators and contact your DAIKIN dealer to report the source of the problem.
F1, F2 D1, D2
Wiring Sheathed wire (2-wire) Sheathed wire (2-wire)
Gauge AWG #18-#16 AWG #18-#16
Length Max. 3280 ft Max. 492 ft
Operation
Lamp
Malfunction (Error)
Code
Contents of Malfunction (Error)
Turn Off M1 Failure of PC board of schedule timer.
Turn On or Off M8 Malfunction of transmission between each optional controller for centralized control.
Turn On or Off MA Improper combination of optional controllers for centralized control.
Turn On or Off MC Address failure of schedule timer.
Blink UE
Malfunction of transmission between indoor unit and optional controllers for centralized
control.
Blink —
Malfunction in indoor unit (Refer to the malfunction codes of the indoor remote
controller, while also read the “CAUTION FOR SERVICING” attached to the indoor
unit.)