7.0 Trouble shooting guide | EN |
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To avoid unnecessary disappointments, you should check the following before contacting the ALTO service organization:
Symptom | Cause | Recommended action |
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Machine refuses to start | Machine not plugged in | Plug in machine. |
| Defective socket | Try another socket. |
| Fuse has blown | Replace fuse. Switch off other machines. |
| Defective extension cable | Try without the extension cable. |
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Fluctuating pressure | Pump sucking air | Check that hoses and connections are air- |
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| tight. |
| Valves dirty, worn out | Clean and replace or refer to local ALTO |
| or stuck | distributor |
| Pump seals worn out | Clean and replace or refer to local ALTO |
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| distributor. |
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Motor busses | Low voltage or | Activate the trigger of the spray gun. |
| low temperature |
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Machine stops | Fuse has blown | Replace fuse. Switch off other machines. |
| Incorrect mains voltage | Check that the mains voltage corresponds |
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| to specifi cation on the model tag. |
| Thermal sensor activated | Leave the washer for 5 minutes to cool down. |
| Nozzle partially blocked | Clean the nozzle (see section 4.1) |
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Fuse blows | Fuse too small | Change to an installation higher than the |
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| amp. consumption of the machine. |
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| You may try without the extension cable. |
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Machine pulsating | Air in inlet hose/pump | Allow machine to run with open trigger until |
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| regular working pressure resumes. |
| Inadequate supply of | Check that the water supply corresponds to |
| mains water | specifi cations required (see model tag) |
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| NB! Avoid using long, thin hoses (min. 1/2”) |
| Nozzle partially blocked | Clean the nozzle (see section 4.1) |
| Water fi lter blocked | Clean the fi lter (see section 4.2) |
| Hose kinked | Straighten out hose. |
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Machine often starts | Pump/spray gun is | Contact your nearest ALTO Service Centre. |
and stops by itself | leaking |
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Machine starts, but | Pump/hoses or accessory | Wait for pump/hoses or accessory to thaw. |
no water comes out | frozen |
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| No water supply | Connect inlet water. |
| Water fi lter blocked | Clean the fi lter (see section 4.2) |
| Nozzle blocked | Clean the nozzle (see section 4.1) |
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In case problems other than the above occur, please contact your local ALTO distributor.
Customer services (UK only): ALTO Cleaning Systems Ltd. Phone: 01 768 868 995
Gilwilly Industrial Estate
Penrith, Cumbria CA11 9BN
Customer service (AUS): | ALTO Overseas Inc. | Phone: 02 9524 6122 |
| 1B/8 Resolution Drive |
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| P.O. Box 797 |
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| Caringbah, N.S.W. 2229 |
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