Resetting the Circuit Breaker

! WARNING

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1.Switch off the power tool

2.Press the circuit breaker button.

3.Restart the vacuum cleaner in the desired mode.

WET VACUUMING

Your 3931 can also be used for wet vacuuming.

Do not use to vacuum flammable liquids, gases, or explosive dusts, like gasoline or other

fuels, lighter fluid, varnish, polyurethane coatings, cleaners, oil-based paints, natural gas, hydrogen, coal dust, magnesium dust, grain dust, or gun powder. Electric motors create sparks, which may ignite the dust or fumes.

1. Before wet vacuuming, run the vacuum in the PULSE-CLEAN™ mode.

2. Empty the canister to prevent encrustation when wet vacuuming. If bag is in canister, remove it as well.

Notes:

•Empty the canister before wet vacuuming.

•Do not use a dust bag when wet vacuuming

•The filter cartridge must be used when wet vacuuming.

•Do not activate the PULSE-CLEAN™ mode when the contents of the vacuum cleaner are wet.

•The unit is equipped with water level sensors. The unit switches off when the maximum filling height is reached. The unit still has power, but will not operate. The unit must be first switched off before it can be switched on again.

•When the unit is shut off, some water may flow out of the hose.

•To prevent siphoning or spillage, lift the suction hose out of the liquid before draining the vacuum cleaner.

•Before opening and emptying, move the switch to the OFF position.

•Always disconnect the vacuum cleaner cord from the power supply.

•In order to avoid mildew, after wet vacuuming, remove both filter cartridges and allow them to dry thoroughly, Dry the filter and canister thoroughly so that dust cannot adhere to moist parts. Also remove the control unit and allow it to dry, too.

FIG. 6

LEVEL

SENSOR

•Use a dry filter for subsequent dry vacuuming. We suggest purchasing extra filter cartridges when frequently alternating between wet and dry vacuuming and swap them out as appropriate.

Clean the canister and accessories with water. Wipe the top section with a moist cloth.

WATER-LEVEL SENSOR MAINTENANCE Clean the water level sensors occasionally:

See Figure 6.

1.Unlock the canister latches and remove the control unit.

2.Clean the water level sensors with a soft cloth.

3.Reattach the control unit again

4.Lock the canister latches.

EMPTYING THE CANISTER

1.Switch the unit off.

2.Disconnect from the power supply.

3.Open the canister latches.

4.Remove control unit.

5.Remove the paper filter bag; dump out the canister, or drain out the canister as appropriate.

CANISTER MAINTENANCE

Wipe out the canister from time to time with

acommercially available, non-scouring cleaning agent and allow to dry.

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3931 specifications

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In summary, Bosch Appliances 3931 encompasses energy efficiency, innovative cooking technologies, modern design, user-friendliness, and robust safety features. This appliance is a perfect representation of Bosch's commitment to enhancing the cooking experience while prioritizing quality and sustainability. Whether upgrading an existing kitchen or outfitting a new one, the Bosch 3931 is a smart investment for anyone dedicated to culinary excellence.