Troubleshooting Owner's manual

FLUID COMPONENTS INTL CHAPTER 5 - TROUBLESHOOTING
Model FR78B Flow Switch/Monitor 5 - 4 Doc. No. 06EN003281 Rev. -
Figure 5-1. 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
STOP
Call FCI for
instructions.
No
Vtsfd.vsd
Pass
Verify HTR and RTD
Resistances.