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62
The SYSTEM FACTOR should be programmed with the largest
number of significant figures which maybe represented within
the limitations of the switch array.
SECTION 5 TROUBLESHOOTING
In case of an inoperable or malfunctioning system the following
procedures can be used to isolate the faulty wiring, printed
circuit boards and/or alternate causes. The majority of repairs
can be made in the field thereby reducing the time a unit is out
of service.
The necessary documentation is contained within this manual
with the exception of the calibration data sheet for the turbine
flowmeter. This calibration is supplied with the turbine
flowmeter.
Factory consultation is available to assist in diagnosing
problems. Note that in some cases factory repairs can be
performed more easily than can be accomplished in the field.
Failure conditions are listed and the possible corrective actions
given to eliminate the observed problem.
Proper operation of the FLSC-51/51B can be assumed when
with power applied to the unit, the pulse output produces a
pulse train of the desired amplitude when flow through the flow
transducer occurs.
PROBLEM POSSIBLE CAUSE CORRECTIVE
ACTION
Unit does not Power Loss Check inter-
produce pulse connecting wiring and
output with and host system.
Bad pickup coil or Check coil and cable
signal cable for continuity and
leakage.
Replace if bad.
Fouled or damaged Remove and clean per
turbine flowmeter manufacturers recom-
mended procedure.
Bad FLSC-51/51B Repair or replace with
new unit.
Sensitivity Pot Readjust Sensitivity
turned too far control.
clockwise.
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