SKF OLA Series, Owner'S Manual

Page: 45 / 52

9. Faults page 45
EN
9. Faults
Table 6 gives an overview of possible malfunctions
and their causes. If you are unable to rectify the
malfunction, please contact SKF Lubrication
Systems Germany GmbH Service.
You must not dismantle the product or
parts of the product during the warranty
period. Doing so invalidates all warranty
claims.
All other work relating to installation,
maintenance, and repair must only be
carried out by SKF Lubrication Systems
Germany GmbH Service.
Only original SKF Lubrication Systems
Germany GmbH spare parts may be
used. It is prohibited for the operator to
make alterations to the product or to
use non-original spare parts and
resources.
Table 6: Fault analysis and rectification
Malfunction Possible cause Rectification
Motor fails to start when
the operating voltage is
applied No operating voltage on motor Check mains connection.
Check mains plug/cable and connect properly if
necessary.
Check operating voltage on motor.
Check fuse.
Check motor circuit breaker.
Pump blocked Measure motor current. If current is impermissibly
high:
Dismantle pump, crank by hand:
If resistance is high, replace the pump.
Motor jammed Measure motor current. If current is impermissibly
high:
Dismantle motor, crank by hand:
If resistance is high, replace the motor.
Motor runs with difficulty
and at a low speed Sluggish pump Measure motor current. If current is impermissibly
high:
Dismantle pump, crank by hand:
If resistance is high, replace the pump.
Sluggish motor Measure motor current. If current is impermissibly
high:
Dismantle motor, crank by hand:
If resistance is high, replace the motor.
Impermissible lubricant (see
technical data) Remove lubricant from entire system and dispose of
lubricant in the proper manner; fill system with suitable
lubricant.
Pressure too high, pressure-
regulating valve is jammed or
defective Check pressure-regulating valve and replace if
necessary.
Ambient temperature too low
(see technical data) Increase ambient temperature.