Daikin Emura RXJ20A5V1B Service Manual page 127

To check the HAP LED of the main PCB
To check if the correct spare part is installed
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08
Prerequisite: First check the power supply to the main PCB, see
4
procedures" [ 126].
1 Locate the HAP LED on the main PCB.
a HAP LED
INFORMATION
Make sure the correct software is available on the PCB. If NOT, update using the
updater tool.
Does the HAP LED blink in regular
intervals (1 second ON/1 second OFF)?
Yes
No
Prerequisite: First perform all earlier main PCB checks, see
4
procedures" [ 126].
1 Visit your local spare parts webbank.
2 Enter the model name of your unit and check if the installed spare part
number corresponds with the spare part number indicated in the webbank.
NOTICE
Also check that the correct spare part is installed for the capacity adapter.
Is the correct spare part for the PCB
installed?
Yes
No
4
a
Action
Return to "Checking
4
procedures" [ 126] of the main PCB
and continue with the next procedure.
Replace the main PCB, see
4
procedures" [ 131].
Action
Return to "Checking
4
procedures" [ 126] of the main PCB
and continue with the next procedure.
Replace the main PCB, see
4
procedures" [ 131].
Components
|
"Checking
"Repair
"Checking
"Repair
Service manual
127