4-25
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
Yes
Yes
No
Yes
No
Is the AC Power cable connection to the
outdoor unit terminal block good?
Is the connection of reactor terminal good?
Are the FUSEs on EMI PCB blown?
Push the center bar of M/C and mesure
the resis-tance of each contact
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
Check and reconnecting the reactor wireat
the TAB terminal
Check and reconnecting the AC power cable wire
Replace the blown FUSE
Exchange M/C
Exchange INVERTER PCB
No
No
Yes
No
Yes
Summary of Contents for AC052FBMDEH/EU
Page 71: ...5 3 Samsung Electronics QPXFS 8 7 6 1 2 3 18 4JHOBM JO 4 8 8 5 8 7 8 5 2 1 3 ...
Page 85: ...Samsung Electronics 6 5 Outdoor Unit AC052FCADEH EU ...
Page 87: ...Samsung Electronics 7 2 7 1 1 2MAIN PCB ...
Page 95: ...OUTDOOR UNIT PCB cont EMI PCB 3Phase AC100FCADGH EU Samsung Electronics 7 8 ...
