Clean Matic CL22 - Trouble Shooting; Troubleshooting Common Issues

19
12 - TROUBLE SHOOTING
FOR QUALIFIED PERSONNEL ONLY
FAULT
CAUSE REMEDY
Pump running normally
but pressure does not
achieve rated values
Pump sucking air
Valves worn or dirty
Unloader valve packing worn
Nozzle incorrect or worn
Worn piston packing
Dirty filter
Check that hoses and fitting
are air tight
Check, clean or replace
Check and replace
Check and replace
Check and replace
Check and clean or replace
Fluctuating pressure Valves worn dirt or stuck
Pump sucking air
Worn piston packing
Dirty filter
Check, clean or replace
Check that hoses and fitting
are air tight
Check and replace
Check and clean or replace
Pressure drops after
period of normal use
Nozzle worn
Valves worn, dirty or stuck
unloader valve packing worn
Worn piston packing
Dirty filter
Check and replace
Check, clean or replace
Check, and replace
Check and replace
Check and clean or replace
Pump noisy Pump sucking air
Valves dirty or worn
Worn bearings
Water too hot
Dirty filter
Check that hoses and fitting
are air tight
Check, clean or replace
Check and replace
Reduce temperature below 60° C
Check and clean or replace
Presence of water in oil High humidity in air
Piston packing and oil seal worn
Check and change oil twice
as often
Check and replace
Water dripping from
under pump
Piston packings worn
The O-Rings of piston guide or
retained worn
Check and replace
Check and replace
Oil dripping
Oil seal worn
Check and replace
When switching on the
unit, the motor hums but
does not run
The mains voltage is insufficient, lower
than the minimum required
The pump is stuck or frozen
Incorrect extension cable
Check that the mains power supply
is adequate
Check by turning the motor manually
as descrided in instructions (page 17)
For correct choice see table (page
12)
The motor stops Tripped thermal overload due to
overheating
Check that the mains voltage cor-
responds to the specifications
CL22 - CL24-CL26: switch off the
motor and let it cool a few mi-
nutes.
CL10-CL11:wait a few minutes
before turning on the unit again.
The motor does not start
when switched on
The plug not well connected or lack
of power supply
Check plug, cable and switch