Samsung MH035FWEA, Service Manual

Page: 177 / 208

Troubleshooting
Samsung Electronics 12-4 12-4
Yes
Check communication wire and
power wire connection.
Yes
Check PIPE connection,
because gas flow to a different
indoor unit will cease these error.
■
In case of MANUAL ADDRESSING mode. (SW02-1:OFF)
2.
■
Checking the address number correctly on each indoor unit PCB.
2.
■
- "PIPE CHECK MODE" is also able to use.
●
If Error code is displayed on indoor or outdoor LED, check as follows;
Yes
No
No
No
No
Yes
Yes
Yes
SW01 setting number and the number of
indoor unit installed are the same.
Some indoor unit has no power.
Error code E101 or E185 is displayed on
indoor unit LED
Error code E460 is displayed on
outdoor unit LED.
Error code E401, E404 or E416 is
displayed on outdoor unit LED.
SW01 setting number must same
as the number of indoor unit.
In case of communication error by
wrong wiring on the indoor unit,
all indoor units display an error code.
In this case, correction at the wrong point
could solve all indoor unit error display.
Confirm power cable connection,
especially miss-wiring between
communication cable and
power cable.
AC power line could be
connected to outdoor
communication terminal,
F1&F2. So check the wiring not
only communication line but
also power line.
0
0
0
0 0
0
Address number switch
RAC(MH
✳✳✳
FPEA
✳
/
MH
✳✳
VP2-
✳✳
)
indoor PCB
RAC(MH
✳✳✳
FWEA /
MH
✳✳
VW2-
✳✳
)
indoor sub PCB
1-Way cassette
(MH
✳✳✳
FKEA)
indoor PCB
Duct(MH
✳✳✳
FDEA)
indoor PCB
Duct(MH
✳✳✳
FEEA)
indoor PCB
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