Troubleshooting - Husqvarna ER 105 Operator's Manual

Problem Cause
The product The power cord or power plug
does not start. is defective.
The electrical connection in the
connection box is not correct.
The product operates on 2 pha-
ses, not 3.
The RCD releases.
The product is broken.
The motor cir- The type or adjustment of the
cuit breaker motor circuit breaker is not cor-
trips. rect.
The voltage is not correct.
There is not sufficient power to
the power supply or frequency
converter.
The product uses too much
power.
The product The connection is not correct.
operates at a
too low speed.
The frequency is not correct.
Too much friction in the bear-
ings.
68

Troubleshooting

Inspection
N/A
Examine the electrical connec-
tion in the connection box.
Examine the resistance of the 3
phases of the stator.
Examine the resistance of the
stator and the ground insulation
of the product.
Examine if there is mechanical
friction or blockage in the prod-
uct.
Examine the information on the
rating plate on the product.
Make sure that the motor circuit
breaker is of the correct type.
Examine the voltage of the
power supply.
N/A
Examine if the concrete form is
not sufficiently strong.
Examine if the concrete form
moves.
Examine if there is too much
grease in the roller bearings.
Examine if the bearings are
broken.
N/A
N/A
Examine if there is too much
grease in the roller bearings.
Examine if the bearings are
broken.
Solution
Replace the power cord or
power plug.
Change the connection.
Replace damaged parts.
Replace damaged parts.
Replace damaged parts.
Replace the motor circuit
breaker.
Adjust the voltage of the power
supply
Make sure that there is suffi-
cient power to the power
source and to the frequency
converter.
Make the concrete form struc-
ture stronger.
Change the dimensions of the
concrete form.
Put the correct quantity of
grease into the roller bearings.
Replace the bearings.
The connection must be adjus-
ted to the voltage.
Connect the high frequency
product to a frequency convert-
er.
Connect the lower frequency
product to the correct power
source with the correct frequen-
cy.
Put the correct quantity of
grease into the roller bearings.
Replace the bearings.
1586 - 001 - 26.03.2021