Shinkawa VM-5 Series - Erroneous Operation of Speed Relay; Ok (Input Abnormal) Alarm Does Not Operate; Recorder Output

10. TROUBLESHOOTING VM-5S
-79-
10-5 ERRONEOUS OPERATION OF SPEED RELAY
10-6 OK (INPUT ABNORMAL) ALARM DOES NOT OPERATE
10-7 NO RECORDER OUTPUT
Start
Is channel bypass
in operation?
Release channel
bypass.
YES
NO
Repair VM-5.
Start
Hysteresis set
properly?
Repair VM-5.
Set to a proper value.
YES
NO
Noise mixed in?
YES
NO
Noise
countermeasures.
Start
Are output
terminals connected
correctly?
Repair VM-5.
YES
NO
Connect correctly.