Fluid Components International FR73B Manual Troubleshooting - Manual (Page 4)

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.
E N D
Verify control circuit
voltages.
Simulate alarm
condition.
S T O P
Call FCI for
instructions.
Fix cable, reconnect
control circuit, and
turn power ON.
Is flow
element cable
d a m a g e d ?
Fail
Yes
S T O P
Call FCI for
instructions.
P a s s
P a s s
Fail
Fail
S T O P
Call FCI for
instructions.
N o
Vtsfd.vsd
P a s s
Verify HTR and RTD
Resistances.