1-2.Method to Determine Defect of Inverter Linear Drive
Determination of Comp Operation
Separate the back cover at the rear of refrigerator and determine for possible operation while touching the compressor with the hands
with insulation gloves worn.
Comp Operation
- Determine possible trip by checking operation status if cold air comes out after opening the doors of the R-Room.
Protective Logic (Trip)
- To protect the compressor from abnormal operation, this logic is used to temporally stop the refrigerator when abnormal operation
occurs and to re-operate it after abnormal signal disappears.
COMPRESSOR
Division operation condition
Delay time LED time
Stroke Trip Stroke > 16.8mm 1mintue 2
times
Current Trip
Running Cap.
voltage
voltage
V
cap
> 540Vrms ( 59.5Hz 1.82Arms, 61Hz 1.86Arms)
6 mintues 6times
Lock Piston Trip
Stroke < 5mm, Running Capacitor V
cap > 300V (= 1Arms)
2.3mintues
5times
Overload Protection
运转频率
61Hz,
以
Stroke
限制运转状态 连续运转
5
小时
0second
0second
4times
IPM Fault
IPM Send Fault signal to IPM
7times
-5-
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