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7. Maxilube troubleshooting table
Description of malfunction Cause of malfunction Solution
If internal control unit of SKF Maxilube
is in use:
The user interface display and the
No supply voltage to the pumping
Check the supply voltage.
If an external control centre is in use:
The green POWER LED of the control
centre is not lit and the user interface
is dark.
The control centre’s main switch
is in the OFF position.
Turn the main switch to the ON position.
The user interface displays a lubricant
barrel low level alarm in a lubrication
channel.
The lubricant barrel is empty.
Replace the lubricant barrel.
Reset the alarm.
The user interface displays a low
pressure alarm for the lubrication
channel. The pressure at the pressure
control unit is below the set pressure
high limit value during pressurisation.
The lubricant has stiffened in the
piping because of the operating
conditions (e.g. cold, heat).
Header piping is leaking.
There is air in the header piping.
Set the maximum pressurisation time
longer or replace the lubricant with an
appropriate type.
Locate and repair the damage.
Remove air from the header and branch
piping.
Considerable grease leakage at the
lubrication point.
The temperature of the bearing rises.
The lubrication cycle has been set
too short.
Check the correct lubrication cycle from
the doser setting table of the lubrication
system or contact Oy SKF Ab.
Compressed air supply has been cut
off.
Insufficient air pressure.
Turn on the compressed air supply by
pressing down the shut-off valve button.
(Fig. 8/e ).
Check that the pressure at the pressure
air regulator is 3.5–4.5 bar.
Check the air supply hoses for leaks.
The pump starts but pressure does
not increase.
Insufficient air pressure.
Check that the pressure at the pressure
air regulator is 3.5–4.5 bar.
Check the air supply hoses for leaks.
Description of malfunction Cause of malfunction Solution
The user interface displays an alarm
for high pressure in a lubrication
channel. The pressure at the pressure
control unit is above the set pressure
low limit value when pressurisation
starts.
The lubricant has stiffened in the
piping because of the operating
conditions (e.g. cold, heat).
The control valve of the changeover
valve unit is not working.
Set the lubrication cycle longer or
replace the lubricant with one
appropriate for the operating conditions.
Reset the alarm.
Check that the setpoints for high and
low limit pressure are correct. If
necessary, contact Oy SKF Ab.
Check the pressure of the compressed
air.
Check the operation of the solenoid
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