Outdoor Unit Is Not Powered On – Initial Diagnosis - Samsung AE040JXEDEH Service Manual

Troubleshooting
4-5-12 Outdoor unit is not powered on – Initial diagnosis
1. Check items
1) Is the power supply voltage 380V?
2) Is the AC power connected correctly?
3) Are the LEDs in the main PCB and inverter PCB of the outdoor unit ON?
4) Is the input power voltage of the indoor unit 220V?
5) Is the wired remote controller connected correctly?
2. Check procedure
Turn o he main power switch
(circuit break of power outlet) and turn on
again after 30 seconds.
Is the outdoor unit power
supply (N-R, N-S, N-T) 220Vac?
Is the outdoor unit power
voltage (L-N) 220Vac?
Is the indoor unit power supply
voltage (L-N) 220Vac?
Does the air conditioner
operate when pressing ON/OFF button of the
wired remote controller?
Are the option DIP switches
inside the wired remote controller co
correctly?
Is there an error
message displayed on the wired remote
controller display?
Check the target temperature
66
Yes
Yes
Yes
Yes
ured
Yes
No
No
Check the input power
No
Check connection of the outdoor unit
No
Check the connection wires and
connectors of the indoor and outdoor units
No
Exchange the wired remote controller
No
Yes
Check the system depending
terminal block
the option DIP switches
on the error display
Samsung Electronics