Honeywell SYA14 Series Manual page 721

FF-SRS5939 Series
FIG. 13. FF-SRS5939 TROUBLESHOOTING FLOW DIAGRAM (SHEET 1)
FIG. 14. FF-SRS5939 TROUBLESHOOTING FLOW DIAGRAM (SHEET 2)
Are both green S12
and S22 LEDs ON
when the ESPE is
8
Machine
Down
Yes
Go to
Is one LED ON
sheet
at least ?
2
Is the power
applied within
specifications?
Check the internal
fuse and replace it
if necessary
is the problem
solved ?
Replace the
safety module
From
sheet 1
No
not actuated?
Yes
Go to
sheet 3
No
No
Apply correct
voltage.
Yes
No
is the problem
solved ?
Yes
No
E n s u r e t h e E S P E i s p o w e r e d a n d n o t
actuated. Ensure the 2 ESPE outputs are
properly connected to the module. Check
inputs voltages are within the specifications,
check polarity and absence of any short-circuit
and cross-fault between the ESPE outputs.
Is the problem solved ?
No
Safety module has
failed. Replace the
module.
Is the problem solved ?
No
Go to
sheet 1
107033-12 EN FR26 GLO 0499 Printed in Germany
PK107033-EN
Yes
Yes
Machine
Working
Yes
Machine
Working