4-34
Samsung Electronics
4-5-15 DC Link Over voltage/ Low voltage error
1. Checklist :
1) Is the power voltage normal?(Lightning, Power interruption etc.)
2) Is AC Power cable connection normal?(Detaching the wire)
2. Troubleshooting procedure
�es
No
No
No
No
�es
�es
�es
Push the center bar of M/C and mesure the resis-
tance of each contact.
�es
No
Exchange M/C
Check and reconnecting the
AC power cable wire
Is the AC Power cable connection to the outdoor
unit terminal block good?
Check and reconnecting the reactor wire
at the TAB terminal
Is the connection of reactor terminal good?
Replace the blown FUSE
Are the FUSEs on EMI PCB blown?
Is each contact resistance normal?
(less than 0.1ohm)
Does the error reappear frequently
The cause of this error may be power source
trouble as like power interruption.
Check the power source.
Exchange INVERTER PCB
Содержание CH070EAV1
Страница 19: ...Samsung Electronics 3 1 3 Disassembly and Reassembly Necessary Tools Item Remark SCREW DRIVER MONKE SPANNER...
Страница 40: ...3 22 Samsung Electronics MEMO...
Страница 75: ...Samsung Electronics 4 35 4 5 16 The others 1 Capacity miss match Check again the indoor unit option code...
Страница 88: ...Product Specifications 5 10 Samsung Electronics 5 4 Assy control out UH090 105 140EAV...
Страница 90: ...Product Specifications 5 12 Samsung Electronics UH070EAV1...
Страница 92: ...5 14 Samsung Electronics MEMO...
Страница 99: ...Samsung Electronics 6 7 6 1 5 OUTDOOR DISPLAY PCB...
Страница 100: ...6 8 Samsung Electronics MEMO...
Страница 132: ...This Document can not be used without Samsung s authorization 7 1 7 Wiring Diagram Samsung Electronics...
Страница 136: ...This Document can not be used without Samsung s authorization INVERTER PCB 8 4 Samsung Electronics...
Страница 137: ...EMI PCB UH090 105 140EAV This Document can not be used without Samsung s authorization Samsung Electronics 8 5...
Страница 139: ...Indoor Unit Outdoor Unit 9 Preference Sheet 9 1 Refrigerating Cycle Diagram Samsung Electronics 9 1...