18
Troubleshooting
Maintenance, testing and repair work may only be carried out by qualified electricians according to the regulations
valid in the respective country.
Error
Control
Cause
Repair
The main switch does not
light up when the pump is
switched on.
Check the power supply
and the mains.
The mains is not or not
correctly plugged in.
Have the electrical
connection checked and
repaired by
a qualified electrician.
Cable break or damaged
mains.
The fuse has triggered
due to fault current.
The motor does not start
or move.
Is the commanding feed of
the tool connected?
The commanding feed is
not or not correctly
plugged in.
Have the electrical
connection checked and
repaired by
a qualified electrician.
Did you choose a suitable
tool and the correct
control?
The pin assignment and
the tool buttons must
match the pump.
Chose a compatible tool
or consult with the
manufacturer.
Did you choose a suitable
hand or foot switch?
The pin assignment and
the tool buttons must
match the pump.
Chose a compatible hand
or foot switch or consult
with the manufacturer.
Did the electrical fuse
protection of the power
supply trigger?
The power supply is not
sufficient to the max.
current demand of the
electric motor.
Connect the motor to a
suitable power supply.
The electrical fuse
protection is not
dimensioned sufficiently.
Use another protection,
circuit breaker 16A type B
Does the PCB work
properly? Is the mains
voltage applied to the
motor cable or the motor
terminal box?
The PCB is defective or
incorrectly connected.
Have the electrical
connection checked and
repaired by
a qualified electrician.
Replace the component or
have the pump repaired
by the distributor or
manufacturer.
Is it possible to move the
motor fan?
Be sure to disconnect the
pump from the mains.
The motor is mechanically
blocked due to overload,
contamination or foreign
matter.
Replace the component or
have the pump repaired
by the distributor or
manufacturer.
The contactor is not
energized.
The contactor is defective,
the connections are burnt.
Replace the component or
have the pump repaired
by the distributor or
manufacturer.
The starting current
limitation is defective on
the side of the motor or is
not conducting anymore
(approx. 5 Ohm resistance
at 25°C body temperature
of the IRC thermistors).
The IRC thermistor is
defective due to overload
or wear.
Replace the component or
have the pump repaired
by the distributor or
manufacturer.
The electric motor rotates
just slightly or does not
deliver full power.
Is an extension cable or
cable reel used to connect
the pump to the power
supply?
The cable is not unrolled
completely.
Unroll the cable
completely.
Conduction loss
(electrical resistance too
high)
Use a shorter extension
cable or a cable with a
higher cable cross-
section.
AHP
-L
on
ly
Summary of Contents for 03855 AHP-M
Page 30: ...30 Ersatzteilübersicht Spare Parts Pièces de rechange Piezas de recambio ...
Page 34: ...34 ...
Page 35: ...35 ...
