Panasonic MC-BJ870-S149, Service Manual, Page: 29 / 72

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6.3.3.7. Checking the dust box
■ What to check/Method
<Check 1> Checking how the dust box is set in the main unit
• If the dust box is not properly set, the vacuum cleaner will not be able to suck up dust.
<Check 2> Checking that the dust box is not full
*If there is a lot of pet hair or lint, the “CHECK” lamp may not light up even when the dust box is full.
*The “CHECK” lamp will light up when the cleaner is operating in “HIGH” mode, but will not light up during operation in “AUTO”
mode.
<Check 3> Checking each of the filters (net filter, sponge filter, filter) for any waste or dust that may be clog-
ging them
*If there is a lot of grit or grainy dust and there is waste blocking the Power nozzle or Extension wand, or the Crevice tool or the
Dusting brush is being used, the “CHECK” lamp may light up even when there is only a little dust in the dust box.
*The “CHECK” lamp will light up when the cleaner is operating in “HIGH” mode, but will not light up during operation in “AUTO”
mode.
■ Action
• Empty out the contents of the dust box.
• Wipe off any waste or dust from each of the filters (net filter, sponge filter, filter).
• Clean each of the filters. (Refer to the operating instructions.)