Troubleshooting - Husqvarna BMG 444 Bedienungsanweisung

Problem
Too much vibra-
tion and/or unusual
noises.
Decreased or
no grinding perform-
ance.
The product does not
start.
The product stops af-
ter a while.
The product is not
easy to hold on to.
16

Troubleshooting

Cause
The buffer rubbers are worn or damaged.
The bearing is defective.
Unwanted material deposit on the coupling.
The diamond tools are worn.
The incorrect type of diamond tools for the
surface.
The stop button is engaged.
The stop button is engaged during first start
up.
A defective component.
Only 1 phase comes into the product.
The extension cable is disconnected or dam-
aged.
No power supply.
For 230 V system: Incorrect voltage.
The motor protection switch is in operation
because of overload.
The motor has a defect.
Too small number of diamond tools on grind-
ing head.
The incorrect type of diamond tools for the
surface.
Solution
Examine the buffer rubbers for damaged
parts and too much movement.
Do a check of the bearing on the axle drive
shaft and replace if it is necessary.
Clean the coupling.
Replace the worn parts.
Replace the diamond tools with correct dia-
mond tools for the surface.
Turn the stop button clockwise to disengage.
Disconnect the power cord and wait for 1
minute until all power is out of the product.
Connect again the power cord and start
product.
Replace the defective component.
Do a check of the power supply.
Connect the extension cable or if it is neces-
sary, replace the extension cable.
Connect the product to a power outlet.
Do a check of the supply voltage. Do a check
of the voltage relays. Let an electrician do
a check if there is sufficient voltage on the
terminals.
Decrease the load.
Do a check of the motor.
Use the correct number of diamond tools.
1914 - 001 - 28.06.2022