12-18
Samsung Electronics
No
No
No
No
12-2-16 DC Link Over voltage/ Low voltage error
1. Checklist :
1) Is the power voltage normal?
2) Is the voltage of front and back terminal of indoor(outdoor) power relay normal?
3) Is the resistance value for DC Link voltage detection NORMAL?
4) Is the resistance value of DC Link discharge normal?
5) Is the appearance of DC Link Capacitor normal?
2. Troubleshooting procedure
Yes
Terminate the service.
Exchange the PCB.
Exchange the PCB.
Exchange the PCB.
Yes
Yes
Yes
No
No
Yes
Terminate the service.
No
Yes
Yes
Yes
Restart after power off.
Is the DC Link voltage error occurred again?
Is the front and back terminal voltage of
indoor/outdoor power relay normal?
Is the resistance for the
detection of DC Link voltage normal?
Exchange the reactor.
Is the appearance of
DC Link Capacitor normal?
Is the power voltage normal?
Reassembly the PCB.
Is the resistance value of
DC Link discharge normal?
Is the reactor insulation damaged?
Exchange the PCB.
Exchange the PCB.
Troubleshooting
24867A(1)_TH026EAV_1.indd 18
2006-05-09 ソタネト 2:57:23
Содержание TH060EAV
Страница 48: ...MEMO Samsung Electronics 4 26 ...
Страница 59: ...Samsung Electronics 5 4 Ass y Control Out UH026EAV DB93 03453B UH035EAV DB93 03453A 5 11 ...
Страница 61: ...Samsung Electronics UH052EAV DB93 03665D UH060EAV DB93 03665C Exploded Views and Parts List 5 13 ...
Страница 93: ...Samsung Electronics This Document can not be used without Samsung s authorization UH052EAV 7 3 Wiring Diagram ...
Страница 94: ...Samsung Electronics This Document can not be used without Samsung s authorization UH060EAV Wiring Diagram 7 4 ...
Страница 97: ...Samsung Electronics Main This Document can not be used without Samsung s authorization 8 3 Schematic Diagram ...
Страница 145: ...13 6 Samsung Electronics OUTDOOR FAN B D DIODE IPM DC_LINK CAP SMPS IGBT Block Diagram ...
Страница 156: ...MEMO Samsung Electronics 14 11 ...
Страница 157: ...Samsung Electronics MEMO 14 12 ...