Omega Engineering FLR1000 사용자 설명서
pg. 26 of 29
H.
Troubleshooting Guide
Symptom
Possible Cause
Method of Correction
Unit Leaks
Fittings not tight enough.
Sensor assembly cracked
Tighten fittings (see section
B4)
B4)
Unit must be returned for
repair (see Section J)
repair (see Section J)
No output signal or
flow indication
flow indication
No power or low power
No flow passing through
unit
No flow passing through
unit
Output shorted or
overloaded
Improper connection
Moisture on internal
electronics
Output circuitry damaged
Output circuitry damaged
Apply correct power
Display or output should
read zero.
Display or output should
read zero.
Check electrical connections
(see section B5)
Check electrical connections
(see section B5) and ensure
connector is correctly
plugged in.
Allow unit to dry out in a
plugged in.
Allow unit to dry out in a
dry environment.
Unit must be returned for
repair (see Section J)
Unit must be returned for
repair (see Section J)
Flow indication
“bounces” or
fluctuates
“bounces” or
fluctuates
Flow is actually fluctuating
Using a pulsatile or piston
pump that causes a
pulsating flow of gas
Not using the fittings
supplied by the
manufacturer
Moisture in sensor
pump that causes a
pulsating flow of gas
Not using the fittings
supplied by the
manufacturer
Moisture in sensor
Turbulence in tubing or
sensor
Fluctuating input power
Fluctuating input power
Mechanical sensor assembly
damaged
Correct flow source to
obtain steady flow
obtain steady flow
Switch to a stable source of
gas
Use the supplied fittings
Remove moisture and allow
gas
Use the supplied fittings
Remove moisture and allow
unit to dry out
Straighten the inlet tubing
Straighten the inlet tubing
or lengthen it to at least 6”
(150mm)
Correct the power source or
change to a regulated
(150mm)
Correct the power source or
change to a regulated
supply
Unit must be returned for
repair (see Section J)
Unit must be returned for
repair (see Section J)