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
Summary of Contents for CH070EAV1
Page 40: ...3 22 Samsung Electronics MEMO...
Page 88: ...Product Specifications 5 10 Samsung Electronics 5 4 Assy control out UH090 105 140EAV...
Page 90: ...Product Specifications 5 12 Samsung Electronics UH070EAV1...
Page 92: ...5 14 Samsung Electronics MEMO...
Page 99: ...Samsung Electronics 6 7 6 1 5 OUTDOOR DISPLAY PCB...
Page 100: ...6 8 Samsung Electronics MEMO...
