Spectra UV
Revision D
/
January 2022
Page 41 of 47
Fault Diagnosis
344B
Operation
345B
Other Symptoms
346B
Possible Cause
347B
Corrective Action
348B
The machine is ON,
the operator
interface does not
have power
349B
Cables are loose or not
connected
350B
Examine 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
354B
A fuse is blown
355B
Reset fuse FU20 inside the PLC power
supply
356B
Power On button
357B
does not stay on
358B
The safety relay failed
359B
Examine the relay and
360B
replace if necessary
361B
A bulb is blown
362B
Replace the bulb
363B
A door is open
364B
Close the door
365B
The emergency stop
366B
button is engaged
367B
Disengage the emergency stop button
368B
Board does not
transfer to or from
the adjacent station
369B
SMEMA
connection is
broken
370B
Examine the cables and correct
loose connections
371B
A module in the system
is turned off
372B
Turn on the inactive module
373B
Exhaust fan failure
374B
A fuse is blown
375B
Examine and reset fuses FU11, FU12,
FU13 in the electrical enclosure
376B
Part-in-place sensor
377B
failure
378B
A cable is loose or
379B
disconnected
380B
Examine the cables and
381B
correct loose connections
382B
The conveyor does
not run
383B
Operate the conveyor in Manual mode
384B
Poor sensor placement
385B
Move the sensor
386B
Conveyor does not
387B
run
388B
Cable is loose or
389B
disconnected
390B
Examine the cables and correct loose
connections
391B
No power to conveyor motor
392B
Control relay not
393B
energized or Power
On light not
ill
i t d
394B
Examine the voltages and
395B
connections
396B
Blown fuse
397B
Examine and reset fuses FU7 and CB3
in the electrical enclosure
398B
Pneumatic position
failure
399B
Air lines kinked or
400B
damaged
401B
Repair or replace the damaged line
402B
Position sensor failure
403B
Replace the sensor
404B
Position sensor out of
405B
adjustment
406B
Move the sensor
31B
Figure 31: Fault Diagnosis