Samsung Electronics
166
Troubleshooting
4-4-12 Case study – E461/361 & E464/364 & E466/366
▪
Check whether compressor defect or Inverter PBA defect.
▪
Diagnosis 1 : Using inverter checker
1. Power Off
2. Wait more than 15 minutes after the Power Off as in case of IPM failure,
discharge mode may not work properly.
3. Connect inverter checker(Phase checker)(U : RED / V : WHT / W : BLK)
4. Execute inverter checker function in OUD main PBA.
5. If any LED is not blinking
→
PBA defect
→
Change PBA
OK
NG
Check with
Inverter checker
2
nd
visit
Comp replace
Order comp
1
st
visit
3
rd
visit
Completion
Inverter PBA
order
2
nd
visit
PBA replace
4
th
visit
Comp replace
Comp order
4-4 Case study for trouble shoots (cont.)
E461/464 / 466
E361/364 / 366
NG
Inverter PBA
