Si10-417
Troubleshooting
Service Diagnosis
145
Trouble
shooting
Check the indoor unit-outdoor
unit connection wires.
YES
Correct the indoor
unit-outdoor unit
connection wires.
Replace the
connection wirings.
Carry out the wiring
work within the
regulation.
(less than 30m)
Replace the outdoor
unit PCB.
Replace the indoor
unit PCB.
Replace the outdoor
unit PCB.
Is there any wiring error?
(R3046)
Not enough
YES
The connection
wiring length over
30m?
NO
Fully insulated?
ex. between wirings,
earth.
Fine
NO
Check the outdoor unit's LED
A.
NO
Is LED A flashing?
YES
Disconnect the No.3 terminal.
Check the voltage of the
indoor unit-outdoor unit
connection wires between
No.2 and No. 3. (Touch the
No.2 termintal with (-) in DC
range)
Is the voltage 30~50V?
YES
NO
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
Si10-417.fm Page 145 Wednesday, September 22, 2004 6:38 PM
