HB-CL2
Cleaning Unit
Faults
O8305-EN 2022-01
87
10.4 Troubleshooting chart
Fault
Possible cause
Rectification
Rectified by
Undercurrent pump
or
Overcurrent pump
Not connected to the correct
mains voltage
Connect to the correct mains
voltage
Certified
electrician
Pump defective
Repair or replace pump
Qualified
personnel
Phase missing
Mains connection not made
correctly
Make mains connection
properly
Certified
electrician
Initial filling too long
Mains water pressure too low.
Acknowledge alarm
(overstepped with initial filling
duration).
Increase mains water
pressure.
Operator
Fresh water connection not
made correctly
Make fresh water connection
correctly (open available shut-
off valves)
Operator
Quick-release connectors
used are closed or clogged
Check quick-release
connectors, clean or replace
as necessary
Qualified
personnel
Hose connections defective
Check hose connections for
leaks, replace as necessary
Operator
Filling valve defective
Repair or replace filling valve
Qualified
personnel
Filling level measurement not
calibrated properly
Calibrate filling level
measurement
Qualified
personnel
Filling level sensor defective
Replace filling level sensor
Qualified
personnel
Filling level too high
Too much medium has been
added through the tank
opening.
Tank emptying
Qualified
personnel
Level measurement faulty
Repair or replace level
measurer
Qualified
personnel
Filling level too low
Leakage (hose connection,
device or tool)
Check the entire system for
leaks. If necessary
repair/replace leaky
components.
Operator
Level measurement faulty
Repair or replace level
measurer
Qualified
personnel
Tank overflows despite
level < 100 %
Filling level measurement
incorrectly calibrated.
Calibrate filling level
measurement
Qualified
personnel
Quantity of medium in filling
level container too low.
Check quantity of medium in
filling level container (
Page
Qualified
personnel