Possible Fault: Fuse Burning.
Cause: Over Current, Short Circuit
Remedy:-Replace the Fuse with same rated new one
2. MCCB/MCB and ELCB.
Possible Fault: Tripping
Cause: Short Circuited current.
Remedy: Rectify the cause produced the tripping current and rectified the same. Put ON the MCCB/MCB
- Power Contactor.
Possible Fault: Motor not starting.
Cause: Contactor Coil faulty, Coil is not getting Power
Remedy: Check the Power Supply voltage from Coil point. If coil is faulty replace with new one.
R Y B TO Motor
Series to starter Coil (NC)
Possible Faults: Motor not starting/Motor tripping continuously
Cause: Relay Tripped, Current adjustment is faulty.
Remedy: Release the tripped OLR switch, Adjust the current rating according to the Name Plate.
Possible Fault: Not Working.
Cause: Coil faulty, No power, Contact got damaged
Remedy: Check the power Supply voltage, Continuity between contacts, wiring faulty.
6. Controlling power supply.
Possible Fault: No Out put voltage, Voltage variation,
Cause: Fuse Blown, loose Connection
Remedy: Replace Fuse, Connect properly.
Possible Fault: No Voltage, Low Voltage, Different Voltage, over heating.
Cause: No Input Voltage, Loose connection, Over Load, Shot Circuit,
Remedy: Check the input and out put Voltage, Limit Load Current
8. Terminal Block.
Possible fault: Sparking and No Continuity.
Cause: Loose Connection.
Remedy: Tight the Connections and shot link.
9. Solenoid Valves.
Possible Fault: Not working
Cause: No Inlet Air supply, No Electrical Power supply, Air leakage,
Remedy: Check the Air and power supply