Leakwise PS-220 - Problems and Solutions (Troubleshooting)

PS-220 RD1 USER GUIDE Revision 8 November 2017
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6. Problems and Solutions (Troubleshooting)
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
No lights, and/or no
4-20mA output, and/or no
relay output change.
No power to unit.
Check connection to mains
or power source.
Improper power supply.
Verify conforming of power
supply.
Improper wiring.
Check wiring. Refer to
wiring diagram.
Blown fuse F1.
Replace fuse. Refer to
PS-220 schematics.
Faulty relay/s.
Replace relay/s.
OIL indication in the
absence of oil.
Sensor does not float
freely or is inclined.
Ensure free floatation of
the sensor, and level
interface between the
sensor and water.
Entangled cable, or cable
too short below the
sensor.
Carefully release any
twisting. Release more
cable as needed.
Sensor “jumps” due to
turbulence.
Install in a stilling tube.
System is out of
calibration.
Re-calibrate, as to
Section 4 or 5.
Change of liquid interface
does not result in
appropriate light indication.
Liquid level is too low.
Make sure that liquid level
is not less than that
specified in the Test
Certificate.
System is not calibrated.
Re-calibrate. Refer to
Section 4.
Improper voltage to
Sensor.
Check voltage between
points 1 and 2 of TB6,
which should be within the
range 11.5-12.5 VDC.
Otherwise, consult factory.