Intek 100CS User Manual
Page 11
- 9 -
4.3 TROUBLE SHOOTING
TABLE I.
TROUBLE SHOOTING GUIDE
OBSERVATION
PROBABLE CAUSE
REMEDY
Flow trip level
continually drifting
downward with constant flow.
Coating forming on wetted surface
of transduce r.
1.
Clean transducer periodically.
2.
Adjust trip potentiometer
clockwise until layer build-up
stabilizes.
After switch has been operating properly:
Relay trips with flow above trip level and
cannot be ad justed using SEC TIO N 3 .3
instructions. Relay does not trip when
flow falls below trip level and cannot be
adjusted using SECTION 3.3 instructions.
Bad elec tronic c omp onent.
Contact factory.
Relay cannot be made to trip by adjusting
"Trip" poten tiometer.
1.
Initial flow rate estimate was
too low or too high.
2.
Flow media change.
1.
Check flow con ditions.
2.
Contact factory.
LED is not lit and relay stays in alarm
condition (N .C. contact is m ade).
1.
No pow er to electronics.
2.
Blown fuse.
1.
Che ck incom ing pow er.
2.
Replace fuse with ½ Amp fast
acting fuse (fuse is in PCB
socket).
3.
Co ntact factory.
!! CAUTION: The electronics are not protected against condensed liquid water inside the
enclosure. If conduit is used, be sure conduit is dry or sealed at the instrument to prevent conduit
condensation from entering the enclosure.