Outdoor Fan Pcb Overvoltage / Low Voltage Error - Samsung AG042KSVANH Service Manual

4-3-40. Outdoor Fan PCB Overvoltage / Low voltage error

Inverter / Hydro control part 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. Inspection Method
Power Off
Is Inverter PCB CN15
No
and Fan PCB CN11 DC-Link voltage connection
Connection and then restart it
wire accurately connected?
Yes
Replace Fan PCB
85