Troubleshooting guide
Fault description
Cause
Remedy
The switch contact does not
switch
No medium flowing through
flow monitor
Check that medium is
flowing through the pipeline
Flow is too low or the switch
contact is set too high
Adjust the switch contact to
a lower flow rate
Use the device at another
measuring range
Increase the flow rate
Incorrect reduction fitting or
pipe diameter is too small
Correct pipe diameter
Float is stuck
Disassemble and clean the
device
Switch contact is defective
Remedy the cause of the
defect (short-circuit,
overload)
Replace the switch contact
Switch contact is
permanently switched
Flow is too high or the switch
contact is set too low
Reduce the flow
Adjust the switch contact to
a higher flow rate
Use the device at another
measuring range
Switch contact is
permanently switched
Float is stuck
Disassemble and clean the
device
Switch contact is defective
Remedy the cause of the
defect (short-circuit,
overload)
Replace the switch contact
The switch point is not the
same as the actual flow rate
Improper scale installed for
media used
Request proper conversion
table or scale for media
used
Incorrect reduction fitting or
pipe diameter is too small
Correct pipe diameter
Device is dirty
Disassemble and clean the
device
Device is defective
Remove device from system
and contact PKP
DS02 Instruction manual 03/2020
page 15
