Bedienungsanleitung master BLM 6800 (Seite 20 von 57) (Alle Sprachen)

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11) Place the fan air inlet away from walls and other obstacles

in order to assure maximum air inlet.

12) For safe operation, use the fan only when you perform gas

detection tests that are regularly repeated.



Always assume that enclosed working space is contaminated

until proven otherwise. Never enter an enclosed working space

before it is controlled with appropriate gas detecting equipment

and proven safe for operation.

►mAINTENANCE

Always turn off and unplug the fan to prevent accidental opera-

tion and electric shock or electrocution. Before putting any ob-

jects or ngers close to fan grates, make sure that the fan blade

has stopped rotating.

1) Visually inspect all xed elements and components if they do

not move or are not broken. If necessary, x or replace the parts

with original parts, approved by the manufacturer.

2) Keep the fan blades clean. Dust, dirt, paint, etc. collection on

the blade fan will result that the fan blade will rotate unbalanced

which may damage it. In order to clean the fan blade, make sure

that the plug is disconnected and the fan blade does not rotate.

Remove one grate and remove particles from the blade and in-

ternal casing with a moist cloth and delicate liquid soap. Careful-

ly dry all parts. DO NOT WASH THE FAN UNDER PRESSURE.

Replace the grate before the next operation.

►TROUBLESHOOTING IN THE FAN

All maintenance procedures may be performed when the device

is unplugged from the mains.

This appliance is not intended for use by persons (including chil-

dren) with reduced physical, sensory or mental capabilities, or

lack of experience and knowledge, unless they have been given

supervision or instruction concerning use of the appliance by a

person responsible for their safety. Children should be super-

vised to ensure that they do not play with the appliance.

All repairs may be made by Authorised Maintenance Compa-

nies.

PROBLEm REASON SOLUTION

The fan does not ope-

rate

1. The device is not connected to mains.

2. The device is not switched on.

3. The switch is damaged.

4. The power cord or electrical wires of the motor are

damaged.

1. Connect the device to mains. Check the electrical

switch.

2. Switch the device on.

3. Replace the switch.

4. Check continuity with a voltmeter or ammeter. . Re-

pair/replace damaged wire.

The device operates

but the fan produces

loud creaky noise.

1. The device may have been strongly shaken and the

fan touches the casing.

2. The device may have been strongly shaken and the

casing has been deformed.

1. Take the motor out and replace damaged motor x-

ing.

2. Replace the casing / device if necessary.

The device operates

but it vibrates too stron-

gly.

1. The shaft has been bent after been shaken strongly

and the device is not stable.

2. The fan blade is damaged.

3. Dirt has accumulated on a fan blade.

1. Take out and replace the motor. Replace the fan

blade if necessary.

2. Replace the fan blade.

3. Clean the fan blade.

The device operates

but the fan does not

rotate.

1. The fan got stuck against the casing.

2. Condenser wires are damaged, loose or the conden-

ser is faulty.

3. The casing was damaged and it presses against the

fan blade.

1. Take the motor out and replace damaged motor x-

ing. Replace the fan blade if necessary.

2. Repair / replace cables / condenser if necessary.

3. Replace the casing / device if necessary.

The device operates

fast and then turns off

as a result of overload.

1. The bearings in the motor do not operate correctly or

motor short circuited.

2. Inlet grate and/or outlet grate is blocked.

3. Excessively long power cord.

1. Replace the motor.

2. Remove the obstacle.

3. Reduce the power cord length to the recommended

maximum length.

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