Maintenance And Fault Rectification; Maintenance; Rectify Faults - Vega VEGAMIP R61 Operating Instructions Manual

Reaction when malfunc-
tion occurs
Fault rectification
Checking the switching
signal
Error
VEGAMIP 61 signals
"covered" without being
submerged (overfill pro-
tection)
or
VEGAMIP 61 signals "un-
covered" when being
submerged (dry run pro-
tection)
Signal lamp lights red
Instrument switches de-
layed
Instrument switches fre-
quently with certain levels
VEGAMIP R61 • Receiving unit
7 Maintenance and fault rectification
7.1

Maintenance

If the instrument is used correctly, no maintenance is required in
normal operation.
7.2

Rectify faults

The operator of the system is responsible for taking suitable meas-
ures to rectify faults.
The first measure to take is to check the output signal. In many cases,
the causes can be determined this way and the faults quickly rectified.
Cause
Operating voltage too low
Buildup on the sensor
Wrong mode selected
Unfavourable installation
location
Electronics defective
Sensor defective
Operating voltage too low
Electronics module has
detected an internal mal-
function
Check switching delay
Wave movements in the
vessel
Effects through interfering
reflections
7 Maintenance and fault rectification
Rectification
Check operating voltage
Check if there is buildup on the two sensors, and if so,
remove it.
Note the instructions in chapter "Mounting" if there is
buildup in the socket.
Set the correct mode on the mode switch (max.: over-
flow protection, min.: dry run protection). Wiring should
be carried out according to the idle current principle.
Mount the sensor (emitter/receiver) at a location where
there is a large quantity of measured product between
the emitting and receiving units.
Mount the sensor (emitter/receiver) at a location where
there are no interfering installations or moving parts.
Press the mode switch. If the instrument then does not
change the mode, the electronics module may be de-
fective. Exchange the electronics module.
Operate the mode switch (min./max.). If the instrument
then switches mode, the sensor may be covered with
buildup or mechanically damaged.
If the switching function in the correct mode is faulty, re-
turn the instrument for repair.
Check operating voltage
Exchange the instrument or send it in for repair
Adjust switching delay correctly
Adjust or increase switching delay
Adjust the instrument to less sensitive
35