Operating Instructions and Installation
Samsung Electronics
12-3-4 Outdoor Detailed Inspection Procedure
No
Procedure
Inspection Method
Cause
1
Wait 30 seconds over after
disconnecting the power cable
Check the outdoor PCB.
1) Is C10
3
discharged?
2) Is the resistance of both terminals of C10
3
opened?
3) Is the fuse of EMI PCB normal?
4) Is the reactor wire connected?
•
Over Current
•
Inner short of PCB
2
Check the Outdoor unit PCB.
1) Is R001 200ohm?
2) Does RY01 operate normally?
(IC72 & 8:0V, 4:5V)
3) Is the fuse normal?
•
Outdoor PCB Error
•
Relay(RY01) Error
•
IC72 Error
3
Check the LED lighting after
power supply.
1) Normal: Red: Light On, Green: Flickering, Yellow:
Light Off?
2) Is the voltage of C10
3
250V over?
3) Is the input of IC19 8V, and the output 5V?
•
Inner short of outdoor PCB
•
Wrong assembly of outdoor PCB
4
Check the condition of indoor
& outdoor connection cable.
1) Is the green LED light on once per second?
2) Is the indoor & outdoor connection cable connected
in order?
3) Is the grounding wire connected to the both of
indoor & outdoor unit?
•
Wrong connection of Indoor/Outdoor
wiring
•
Wrong assembly of outdoor
communication circuit
5
Check the Comp Wire.
1) Is it connected red, blue, and yellow in order in
counter clockwise.
2) Are the valve and its installation condition good?
3) Is the installation condition of outdoor unit?
•
Wrong assembly
•
Installation condition is bad.
Troubleshooting
12-20
26005A(2)_1.indd 25
2006-04-14 ｿﾀﾈﾄ 5:05:17
