Digital OverVoltage Relay (GDR-C01) User's Manual V1.00
Kyongbo Electronics Co., Ltd.
4.3 Self Diagnosis Function
Self Diagnosis function monitors the operation status of the relay at all times to prevent
abnormal/failure operation of the equipment. If an abnormality is detected, red Error LED
is lighted, and the Self Diagnosis result category in the Self-Diagnosis menu is displayed as
FAIL. Also, when a fault occurs, the operation output of the relay element is blocked
immediately, and it is displayed on LCD and LED until the fault is cleared.
Main diagnosis categories are as follows
▣ Power Fail
▣ CPU Watchdog Fail
▣ Memory Fail
▣ Setting Fail
4.4 Fault Recording Function
This function displays the accumulated count of operation, voltage, operation
element, and relay operation time.
It can be viewed using PC Tool(SetGDRSeries) through RS-232C communication.
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