Samsung AC030JN4DCH User Manual

Troubleshooting
4-28 Samsung Electronics
$PNNVOJDBUJPOFSSPSCFUXFFOPVUEPPSVOJU*/7׳."*/.*$0.NJO
&SSPS$PEF&
1. Test Item
1) Is the power of the outdoor unit inverter PBA on?
2) Check the power connection and fuse.
3) Is there a problem in the communication connections
between the outdoor unit inverter (CN31) and main PBA (CN39)?
(RC072DHXB6 excluded)
4) Check the communication connections.
2. Check procedure
Yes (In case of RC072DHXB6 excluded, replace the PBA, After
resetting the power, reconfirm and then close.)
Add next to Yes
End the service.
No
Does the communication error occur??
Check the power connection and fuse.
1. Is there a problem in the power connection between
main PBA and the EMI PBA of the outdoor unit?
2. Is there a problem
in power connection between the
inverter and the EMI PBA of the outdoor unit?
3. Is the fuse (FUSE100) of the inverter PBA of the outdoor
unit normal? (Short-No
rmal, Open-Fault, limited to
RC6666HXG6, RC145DHXH6, AC100FCA6GH)
No
Yes
30 seconds after power off, power on.
Replace the outdoor unit inverter or main PBA.
1. If E203 Error to 7-segment of the main PBA of the outdoor unit is displayed, replace
the inverter PBA a
nd then the main PBA of the outdoor unit is normal.
2. If Red – ON, Green – OFF, and YELLOW – Blink are displayed in the LED display of the
outdoor unit inverter, an
d there is no indication in 7-segment of the main PBA of the
outdoor unit, replace the main PBA ױ The outdoor unit inverter PBA is normal.
[RC666HXE6, RC100DHXB6, AC666FCA6EH Confirmation Matters]
[Check of LED of Inverter PBA]
Check the communication connections.
No
Yes
[RC6666HXG6, RC145DHXH6, AC100FCA6GH Confirmation Matters]
1 2 2 3
[RC6666HXG6, RC145DHXH6, AC100FCA6GH Confirmation Matters]
[RC6666HXE6, RC100DHXB6, AC666FCA6EH Confirmation Matters]
Is the power of the inverter PBA on?
Inverter PBA connecting part
(CN31)
1 2
Inverter PBA connecting part
(CN31)
Main PBA connecting part
(CN39)
Main PBA connecting part
(CN39)
Is there a problem
in the connections of communications
between the outdoor unit inverter (CN31)
and main PBA (CN39)?
[RC6666HXG6, RC145DHXH6,
AC100FCA6GH Inverter PBA LED
confirming part ]
[RC6666HX6, RC100DHXB6,
AC666FCA6EH Inverter PBA LED
confirming part]
[Main PBA 7-segment
confirming part (Common)
]

Samsung AC030JN4DCH Specifications

General

Brand	Samsung
Model	AC030JN4DCH
Category	Air Conditioner
Language	English