Samsung Electronics
12-13
Error Mode
Wired remote control COM1/COM2 cross installation error
Display
Check Method
When wired remote control line COM1 (F1, F2) is connected
Cause
Check terminal block of line
Sensor SPEC.
12-4-11 Wired Remote Control COM1/COM2 Cross Installation Error
+0.7V
-0.7V
Good
Bad
Connect communication line to
COM2(F3, F4)
Check operation.
No
아니오
Is communication line connected to
COM2 (F3, F4)?
Is the voltage between the
2 lines is square wave higher than DC±0.7V
as seen in the picture below?
No
E606 code appears when unit operation
starts or while it is in operation.
Check terminal block of wired remote control
connection.
After eliminate communication line connecting wired
remote control and ventilator, check the 2 lines of
wired remote control with SCOPE.
Reconnect communication line between wired
control and ventilator. Eliminate all communication
connectors on ventilator PCB and connect them again
one by one. Find out the ventilator interrupting
communication and check its lines.
Then, replace PCB.
Yes
Check communication lien
and connector of
wired remote control PCB.
Then replace PCB.
Yes
Troubleshooting
27723A(1)_RHF-025EB_1.indd 13
2007-05-09 ソタネト 4:24:16