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V2.2
-00
28
INCORRECT SEQUENCE OF PHASES
Logical variable :
DPHASE
Incident codes KP02 :
9
KP07 icon :
Description
The phase controller is tripped (PHASE = 0).
It detects an inversion or a bad phase coupling.
Action
F
Immediate machine halt.
F
The fault is displayed on the screen.
F
The remote fault report is delayed for 6 minutes.
Resetting
The machine can only be restarted after
manual
resetting and the correct re-establishment of phases.
Trouble-shooting
Solution
Fault appears the first time the machine is switched
on.
Absence of a supply phase.
Wiring fault on phase presence contact.
Reverse two of the three phases upstream of the unit.
Check the presence of the three phases and voltage
values between phases.
Check wiring on phase presence contact.