CMI VP-280 — cleaning and Maintenance Guide for Pumps: Tips and Troubleshooting [23/72]
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CMI VP-280 — cleaning and Maintenance Guide for Pumps: Tips and Troubleshooting [23/72]

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CMI VP-230-10 [23/72] Storing
23
Cleaning and maintenance
Cleaning and maintenance overview
Before lowering into the pump shaft
After removal from the pump shaft
Cleaning the appliance externally
Rinse with clean water. Remove stubborn contamination with a brush and detergent.
Submerge the pump in a container with clean water and switch on for a short time to rinse the inside of the
pump.
Storing
If there is a risk of frost, dismantle the appliance and accessories, clean them and store in a place protected
from frost.
Malfunctions and troubleshooting
In the event of a malfunction…
Malfunctions are often caused by minor faults. You can easily remedy most of these yourself. Please consult
the following table before contacting the vendor. You will save yourself a lot of trouble and possibly money too.
If you can’t fix the fault yourself, contact your nearest vendor. Please be aware that any improper repairs will
also invalidate the warranty and additional costs may be incurred.
What? How?
Check housing, pressure hose, and cable for damage Visual inspection.
What? How?
Clean the appliance.
Note: Before using the pump again, first “soak” it so that any possible dirt residues do not block the
appliance.
NOTICE! Risk of damage to the appliance! Frost destroys the appliance and accessories, as these
always contain water!
DANGER! Danger of injury! Improperly conducted repairs may prevent your appliance from working
safely. Such repairs will endanger you and your surroundings.
Fault/malfunction Cause Remedy
Pump does not run. No mains voltage? Check cables, plug, socket and fuse.
Motor overheats due to:
• liquid temperature too high?
• blocking by foreign bodies?
Eliminate the cause of the overheating and al-
low the appliance to cool down (max. temper-
ature of liquid: ►Technical data– p.24). Actu-
ate the motor protection switch.
Pump runs but does not
pump.
Suction openings blocked? Rectify blockage.
Pump draws in air? Switch the pump on and off several times in or-
der to expel air.
Pump blocked by foreign bodies? Clean the pump.
Delivery rate too low. Delivery height too great? Comply with maximum delivery height
(►Technical data– p.24).
Pressure line blocked? Rectify blockage.
Suction openings blocked? Clean suction openings.
Pressure line kinked Straighten pressure line.
Pressure line leaks Seal pressure pipe.
Pump runs very loudly. Pump draws in air? Ensure there is sufficient liquid present.
GB
Tiefbrunnenpumpe_420513_420515_420516.book Seite 23 Freitag, 4. März 2016 9:03 09

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Learn essential cleaning and maintenance tips for pumps, including troubleshooting common malfunctions. Ensure your pump operates efficiently and safely.