Samsung AM080KXMDFH/TC - Page 80

Troubleshooting
4-38 Samsung Electronics
■ DC voltage sensor error of Fan2. (E-396) /
DC voltage sensor error of inverter PBA 1. (E-469) /
DC voltage sensor error of Fan1. (E-496)
Outdoor unit Display E-396 / E-469 / E-496
Judgement Method
•DCvoltagedetection:Judgedasanerrorifthedetectedvalueismorethan2.8V
or 0.2V less than
Cause of problem
•Inputvoltagedefective
•ACPowerwiringerror
•MomentaryOvervoltage/Lowvoltageoccurs
•PCBvoltagesensingcircuitdefective
Power Off
Is Power connection
accurately connected?
Yes
No
Is Reactor accurately
connected?
Did the Fuse is short ?
Yes
Check the Reactor connection.
No
Power Cable re -connection.
Replace Fuse.
Is EMI PCB and
Inverter PCB accurately
connected?
Power Off and then re -connection.
Yes
No
Yes
Is Inverter PCB and
Fan PCB DC -Link
voltage connection wire
accurately connected?
Replace Fan PCB
Yes
Replace Inverter PCB.
Yes