Samsung DVM S ECO BIG Series - Page 99

Troubleshooting
Samsung Electronics 4-57
■ Error due to over voltage / low voltage of inverter PBA 1. (E-466)
Outdoor unit Display E-466
Judgement Method
•N-phasewiringerrorandEMIFuseshort.
•DC-LinkOvervoltage/Lowvoltageoccurs.
Cause of problem
•Checktheinputwiring
•EMIFuseshort
Power Off
380V is the voltage
between terminal
blocks R , S, T wire?
Yes
No
Did the EMI PCB Fuse
is short?
Yes
Replace Inverter PCB and then restart it.
* Check the 3 -phase sensing circuit part.
No
Remove foreign objects
*Cold heat sink assembly defect occurs.
Replace Fuse, if the rectifier diode of the inverter
PCB is normal.