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6.1.3
Flow chart
Version PS D without a built in electronic overload
F1
Occurs when closing terminal 8 and 9 ( gives the start signal)
Occurs when ramping up
During cont. run
During ramp down
No
No
No
No
Faulty P.C.B
Main contactor is closing too late
Check the fuses
Yes
The main contactor opens
Fuse blowed when starting up ( too long starting time )
Overload trip and opens the main contactor
Yes
When reaching top of ramp
Yes
No
Check that the main contactor are closed all the time
Interuptions in the main supply
The main contactor opens before end of ramp
Fault code
Yes
Yes
Is the switch SC on?
No
High over current ( above set current limit)
Yes
No
No faults
No faults
No faults
No faults
Check that all three phases are present