Samsung AE040RXEDEG Service Manual page 95

Troubleshooting
4-5-11 Outdoor unit is not powerde on - Intial diagnosis
4-5 - 2 1 O u d t o r o u n t i
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
98
s i n t o p o w r e d e o n – n I
Yes
Yes
Yes
Yes
ured
Yes
No
t i l a i i d g a n s o s i
No
No
No
No
No
Yes
Check the input power
Check connection of the outdoor unit
terminal block
Check the connection wires and
connectors of the indoor and outdoor units
Exchange the wired remote controller
the option DIP switches
Check the system depending
on the error display
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