Outdoor Fan Pcb Overvoltage / Low Voltage Error - Samsung AM006JNFDCH/AA Service Manual
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4-4-81 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?
Samsung Electronics
Power Off
Is Inverter PCB CN15
Yes
Replace Fan PCB
No
Connection and then restart it
Troubleshooting
4-115
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Troubleshooting
