Daikin EWYQ230DAYN Сервис мануал онлайн [410/524] 403923

Daikin EWYQ230DAYN Сервис мануал онлайн [410/524] 403923
Overview of Fault Indications and Safeties ESIE06-05
3–10 Part 3 – Troubleshooting
3
1
3
4
5
OU5: PCB COMM PROBLEM
Purpose:
Indicate if there is no communication with the wired remote controller A4P (or A5P, EKRUPG) and
the main PCB.
Symptom: The alarm message shows PCB COMM. PROBLEM
POSSIBLE CAUSES CORRECTIVE ACTION CONSEQUENCE
The wired remote controller
(A4P of A5P (EKRUPG)) has
no correct communication with
the main PCB (A11P)
Check if the wiring to the main
PCB (A11P) is according to
the wiring diagram.
Check if the “address setting”
and the “terminator resistor
setting” by DIP-switch is
according to the setting men-
tioned in the wiring diagram.
Unit switched off.
RESET : After finding the cause and communication is restored, error can be reset on the control-
ler.

Содержание

Скачать