Outdoor Fan Pcb Overvoltage / Low Voltage Error - Samsung AM056FN2DEH Series Service Manual

Troubleshooting

4-4-83 Outdoor Fan PCB Overvoltage / Low voltage error

Outdoor unit display
∙ N-phase wiring error and EMI Fuse short.
Judgment Method
∙ DC-Link Overvoltage / Low voltage occurs.
∙ Check the input wiring
Cause of problem
∙ EMI Fuse short
1. Cause of problem
and Fan PCB CN11 DC-Link voltage connection
wire accurately connected?
502
Power Off
Is Inverter PCB CN15
Yes
Replace Fan PCB
No
Connection and then restart it
Samsung Electronics