11. Fault finding the product
DANGER
Electric shock
Death or serious personal injury
‐
Before starting any work on the
product, make sure that the power
supply has been switched off and
that it cannot be accidentally
switched on.
WARNING
Corrosive liquids
Death or serious personal injury
‐
Wear personal protective
equipment.
WARNING
Toxic liquids
Death or serious personal injury
‐
Wear personal protective
equipment.
WARNING
Falling objects
Death or serious personal injury
‐
Keep the product in a stable and
fixed position when working on it.
CAUTION
Hot or cold liquid
Minor or moderate personal injury
‐
Wear personal protective
equipment.
CAUTION
Hot or cold surface
Minor or moderate personal injury
‐
Make sure that no one can
accidentally come into contact with
hot or cold surfaces.
11.1 The motor does not run when started
Cause
Remedy
Supply failure.
Connect the power supply.
The fuses are blown.
Replace the fuses.
The motor-protective circuit breaker has tripped.
Reactivate the motor-protective circuit breaker.
The thermal protection has tripped.
Reactivate the thermal protection.
The main contacts in the motor-protective circuit
breaker are not making contact or the coil is
faulty.
Replace the contacts or the magnetic coil.
The control circuit is defective.
Repair the control circuit.
The motor is defective.
Replace the motor.
11.2 The motor-protective circuit breaker trips immediately when the power supply is
switched on
Cause
Remedy
One fuse is blown or the automatic circuit breaker
has tripped.
Replace the fuse or reset the circuit breaker.
The contacts in the motor-protective circuit
breaker are faulty.
Replace the motor-protective circuit breaker
contacts.
The cable connection is loose or faulty.
Fasten or replace the cable connection.
The motor winding is defective.
Replace the motor.
The pump is mechanically blocked.
Remove the mechanical blocking of the pump.
The motor-protective circuit breaker setting is too
low.
Set the motor-protective circuit breaker correctly.
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English (US)
