Troubleshooting Flow Diagram (Sheet 1 Of 2) - Honeywell SYA14 Series Manual

FF-SM Series Installation Manual

Troubleshooting Flow Diagram (Sheet 1 of 2)

Close contact between B3-C4
or ensure jumper B3-C4 is
present inside control unit.
Machine
Problem
Yes
Working resolved?
For application help: see Warranty Information
Machine
Down
Ensure NO objects are on ANY
of the mat sensors connected to
the control unit
Yes
Problem
resolved?
No
Observe LEDs and relay status
and reference troubleshooting
chart; apply correction as
required.
Problem
Yes
resolved?
No
Ensure incoming voltage is
No
within specification.
Yes
Control unit Test
Yes
No
LED is
illuminated.
No
No
Go to sheet 2
Honeywell • PK 107007-01 EN FR26 GLO 0298 Printed in France 55
Inspection and Maintenance
Notice:
To perform troubleshooting, use an
operational fiber optic cable and a ST
cable-to-cable connector.
Machine
Working
Machine
Working
Apply correct
voltage.
Machine
Problem
Yes
Working
resolved?