Fault-finding
CE 4
26
Hauser
9
Fault-finding
9.1
Fault-finding instructions
Should the measurement station indicate a fault after commissioning or during
operation always start fault finding by following the checklists. The user is led to the
possible fault and its solution by means of simple questions.
9.2
Process fault messages
Fault message
Possible cause
Solution
’Dry run’ lamp illuminated
•
No medium available
•
Dry run protection system is
active. Check the suction
hose and hose end for
blockages
’Overpressure’ lamp illuminated
•
Pipe work overpressure
monitor active. Blockage in
the pipwork after the pump
•
Remove the blockage in the
pipework
Cumulative alarm active
•
No medium available
•
Motor overload switches
pump off
•
Measurement fault
•
Water sampler fault
•
Pipework overpressure
monitor active. Blockage in
pipework after pump
•
Power supply missing
•
Main isolator, fused switch
active
•
Pump hose breakage monitor
(peristaltic pump) active
•
Dry run protection active.
Check suction hose and
hose end for blockages
•
Check pump motor, check
pump for blockages
•
See op manual for individual
units (sections 5, 6, 7, 8 in
the ring binder)
•
See water sampler op.
manual (section 6 in the ring
binder)
•
Remove blockage in
pipework
•
Call skilled electrician
•
Call skilled electrician
•
See peristaltic pump op.
manual (section 8 in the ring
binder)
Fault code in the display of one of
the installed devices
•
Fault on the installed device
•
See op. manual for the
respective device (sections
5, 6, 7, 8 in the ring binder)
