1.Checklist :
1) Is input power normal?
2) Is AC power linked correctly?
3) Is input voltage of DC_link capacitor normal?
4) Is the voltage of DC regulator normal?
2. Troubleshooting procedure
Is the power cable from outdoor is
R
Ʃ
h
d
tl
NO
Unplug the power cord
Is the power cable from outdoor is
correct? (L, N - CN71)
YES
Reconnec
Ʃ
he power cord correctly.
NO
Check the fuse open or not?
(F701,F702)
Exchange the PBA
NO
Restart
er power
Unplug the power cord
Is the power cable from outdoor is
correct? (L, N - CN71)
YES
Reconnec
Ʃ
he power cord correctly.
NO
YES
Press the po er b
on the
The remote control signal reciever on the display
NO
Check the fuse open or not?
(F701,F702)
Exchange the PBA
NO
Is the power normal?
Restart
er power
.
Check the power source.
Unplug the power cord
Is the power cable from outdoor is
correct? (L, N - CN71)
YES
Reconnec
Ʃ
he power cord correctly.
NO
YES
Press the power bu on on the
display board
The remote control signal reciever on the display
PBA is wrong
Check the display board
NO
YES
Is the DC_link voltage normal?
C102(+)-C101(-) :270Vdc~320Vdc
Exchange the PBA
NO
YES
Check the fuse open or not?
(F701,F702)
Exchange the PBA
NO
Is the power normal?
Restart
er power
.
Check the power source.
Unplug the power cord
Is the power cable from outdoor is
correct? (L, N - CN71)
YES
Reconnec
Ʃ
he power cord correctly.
NO
YES
Press the power bu on on the
display board
The remote control signal reciever on the display
PBA is wrong
Check the display board
NO
YES
Is the DC_link voltage normal?
C102(+)-C101(-) :270Vdc~320Vdc
Exchange the PBA
NO
Is the SMPS is normal?
IC102 : 12Vdc-GND-5Vdc
Exchange the PBA
YES
NO
YES
Exchange the PBA
Check the fuse open or not?
(F701,F702)
Exchange the PBA
NO
Is the power normal?
Restart
er power
.
Check the power source.
Unplug the power cord
Samsung Electronics
12-2-2
5
12-2-25 No power indoor (Initial Diagnosis) (Not displayed)
※ Firstly check the thermal fuse of Terminal block OPEN or SHORT
(Measure the Thermal fuse housing PIN#1-2, like this picture
Содержание AR09FSSYAWTNEU
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Страница 11: ...indoor unit for 3 times in 2seconds...
Страница 15: ...3 3 2 3 3 Setting Option Setup Method continue...
Страница 16: ...3 3 3 5 66 7 8 5 66 7 8 5 66 8 5 66 8 02 6...
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Страница 26: ...4 2 1 4 2 Outdoor Unit AQV KBB AQV KBBSER 3 Detach the Cabinet Upper like the picture...
Страница 28: ...8 3 9...
Страница 29: ...4 2 4...
Страница 33: ...5 66 71 8...
Страница 34: ...5 66 1 8 02...
Страница 35: ...Samsung Electronics 5 4 5 4 Ass y Control Out AR09FSSYAWTXEU AR09FSSKABEXEU...
Страница 37: ...Samsung Electronics 6 2 6 2 ASSY WIF PCB 4709 002063...
Страница 38: ......
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Страница 43: ......
Страница 44: ...Electronics 9 2 Samsung Circuit Descriptions Circuit Descriptions 9 1 2 Outdoor Unit...
Страница 45: ...9 2...
Страница 48: ...10 3 10 3 WIFI PCB 3...
Страница 52: ...11 1 2...
Страница 86: ...DC3 3V DC5V DC12V DC15V DC325V AC230V EEPROM R W CONTROL BLDC 13 2...
Страница 87: ...81 5 8 5 6 6 7 1 8...
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Страница 91: ...14 4 1...
Страница 92: ...14 4 2...
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Страница 96: ...14 7...
Страница 97: ...14 7 2...