
4.CONFIRMATION OF THE OPERATION START-UP PROCEDURE FOR βi SVPM B-65325EN/01
- 80 -
4.2.3 Checking Method when Magnetic Contactor Is not Switched
On
(1) The system is still in an emergency stop status.
→ Check the connection.
(2) There is a connector problem.
(a) Check that the connectors are attached to correct locations.
(3) The power for driving the magnetic contactor is not supplied.
→ Check the voltage across the both ends of the coil of the
magnetic contactor.
(4) The relay for driving the magnetic contactor is defective.
→ Check that a circuit between pins CX3-1 and CX3-3 of
connector is closed and opened.
SVPM
MCC driving relay
CX3-1
CX3-3
(5) The SVPM is defective.
→ Replace the defective SVPM.