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| Problem | Possible Cause | Possible Solution |
| Suction decreases | Blocked flexible hose | Gently remove obstruction using a long stick |
| Blocked extension suction tube | Gently remove obstruction using a long stick | |
| Tank has reached 2/3 full or is completed full with waste and debris | Completely empty tank | |
| Noise of vacuum changes and suction decreases | HEPA filter dirty and clogged | Clean the HEPA filter regularly by carefully patting it and cleaning it with a fine brush or hand brush (not supplied). If suction continues to decreases after cleaning the filter, replace with a new HEPA filter. |
| Foam filter is dirty and clogged | Clean the foam filter with a little soft soap under running water. If suction continues to decrease after cleaning the filter, replace with a new foam filter. | |
| Tank has reached 2/3 full or is completed full with waste and debris | Completely empty tank | |
| Wrong filter has been used | Use the correct filter for the application at hand. Follow all warnings and instructions provided in this user manual | |
| Appliance will not operate when the power tool is switched on | Incorrect ON/OFF switch mode selected | Select the Automatic Mode “II” in the ON/OFF switch |
| Faulty power cord or faulty mains outlet | Plug appliance into another mains outlet . If it doesn’t work, the power cord must be replaced by a certified electrician using identical replacement parts | |
| Appliance does not turn on | Faulty power cord or faulty mains outlet | Plug appliance into another mains outlet . If it doesn’t work, the power cord must be replaced by a certified electrician using identical replacement parts |
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