Fluid Components International FR73B Complete Manual - Manual (Page 9)

FR78B Flow Switch/Monitor FLUID COMPONENTS INTERNATIONAL LLC
This page is subject to proprietary rights statement on last page 9 Doc. No. 06EN003281 Rev. A
Defective Parts
Before returning any equipment to FCI, obtain an return authorization (RA) number for authorization, tracking, and repair/replacement
instructions. If a return is required, remove the defective part or instrument, replace it with a spare, calibrate, and then return the
defective part or instrument to FCI freight prepaid for disposition.
Customer Service
1. In the event of problems or inquiries regarding the instrument, please contact the Regional or Country Authorized FCI Field
Agent. There is an extensive list of these representatives at the front of this manual.
2. Before contacting the FCI representative, be sure that all the applicable information is near so that a more effective, efficient and
timely response may be provided.
3. Refer to Appendix C for specific Customer Service policy provisions.
Figure 4 - Troubleshooting Flow Chart
Problem?
Verify input power to
the instrument.
Turn power OFF.
Remove control circuit.
Reinstall control circuit.
Turn power ON.
END
Verify control circuit
voltages.
Simulate alarm
condition.
STOP
Call FCI for
instructions.
Fix cable, reconnect
control circuit, and
turn power ON.
Is flow
element cable
damaged?
Fail
Yes
STOP
Call FCI for
instructions.
Pass
Pass
Fail
Fail
No
C00587-1
Pass
Verify HTR and RTD
Resistances.
(HTR = 4K Ohms)
(RTD = 220 Ohms)
(Pin 7 (+) to Pin 8 (-) = 10.8 Vdc*)
(Pin 9 (+) to Pin 8 (-) = 11.1 Vdc*)
(Pin 10 (+) to Pin 7 (-) = 15 to 23 Vdc*)
*Voltages taken at 70F (21C).
STOP
Call FCI for
instructions.