PVA Spectra UV - Fault Diagnosis

Spectra UV
Revision D / January 2022
Page 41 of 47
Fault Diagnosis
344B
Operation
345B
Other Symptoms
346B
Possible Cause
347B
Corrective Action
348BThe machine is ON,
the operator
interface does not
have power
349BCables are loose or not
connected
350BExamine the cables and
correct loose
connections
351B
The electrical enclosure does
not have power
352B
The electrical
enclosure is open
353B
Close the electrical enclosure
354BA fuse is blown 355BReset fuse FU20 inside the
PLC powe
r
supply
356BPower On button
357Bdoes not stay on
358BThe safety relay failed 359BExamine the relay and
360Breplace if necessary
361BA bulb is blown 362BReplace the bulb
363BA door is open 364BClose the door
365BThe emergency stop
366Bbutton is engaged
367BDisengage the emergency
stop butto
n
368B
Board does not
transfer to or from
the adjacent station
369B
SMEMA
connection is
broken
370B
Examine the cables and correct
loose connections
371BA module in the system
is
turned off
372BTurn on the inactive module
373BExhaust fan failure 374BA fuse is blown 375BExamine and reset fuses
FU11, FU12,
FU13 in the electrical enclosure
376BPart-in-place sensor
377Bfailure
378BA cable is loose or
379Bdisconnected
380BExamine the cables and
381Bcorrect loose connections
382B
The conveyor does
not run
383B
Operate the conveyor in Manual mode
384BPoor sensor placement 385BMove the sensor
386B
Conveyor does not
387Brun
388BCable is loose or
389Bdisconnected
390BExamine the cables and
correct loose
connections
391BNo power to conveyor motor 392BControl relay not
393Benergized or Power
On light not
ill i t d
394BExamine the voltages and
395Bconnections
396BBlown fuse 397BExamine and reset fuses FU7
and CB3
in the electrical enclosure
398BPneumatic position
failure
399BAir lines kinked or
400Bdamaged
401BRepair or replace the
damaged line
402BPosition sensor failure 403BReplace the sensor
404BPosition sensor out of
405Badjustment
406BMove the sensor
31BFigure 31: Fault Diagnosis