Daikin EWYQ230DAYN Сервис мануал онлайн [408/524] 403923

Daikin EWYQ230DAYN Сервис мануал онлайн [408/524] 403923
Overview of Fault Indications and Safeties ESIE06-05
3–8 Part 3 – Troubleshooting
3
1
3
4
5
OC9: INL SENSOR ERR
OCA: OUT SENSOR ERR
OH9 : AMB T SENSOR ERR
Purpose:
Detect if sensor is broken or not good connected (open OR short circuit).
OU3 : REMOCON SW ERR
Purpose:
Indicate if there is no communication with the remote controller.
Symptom: EEV driver is not operating
POSSIBLE CAUSES CORRECTIVE ACTION CONSEQUENCE
The EEV driver is not operat-
ing, no communication with
the EEV PCB.
Check the power supply to the
EEV driver.
Check if the address setting
by DIP-switch is according to
the wiring diagram.
Unit switched off.
RESET : After finding the cause and communication is restored, error can be reset on the control-
ler.
Symptom: Sensor error
POSSIBLE CAUSES CORRECTIVE ACTION CONSEQUENCE
The sensor is broken or not
correctly wired (open or short
circuit).
Check if the wiring is accord-
ing to the wiring diagram.
If value is too high (above
range) ==> display “+ER”.
If value is too low (below
range) ==> display “-ER”.
RESET : Possible to reset (manual) if the value is within range.
Symptom: The alarm message shows REMOCON SW ERR
POSSIBLE CAUSES CORRECTIVE ACTION CONSEQUENCE
The software for the wired
remote controller (A4P or
A5P) is corrupt or absent.
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 and no con-
troller readout.
RESET : After finding the cause and communication is restored, error can be reset on the control-
ler.

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