11
Environmental Protection
5
In order to protect the environment, the product or product parts
should be disposed of according to the industrial waste treatment process,
or be sent to the recycling station for assortment, dismantling and recycling
according to local regulations.
Table 6 Analysis and Troubleshooting of Faults
Symptoms
Cause analysis
Troubleshooting method and precautions
Misoperation
of thermal
relay without
the motor
being
overloaded
Thermal relay
does not
operate.
Size is too small.
Change to product with bigger size.
The set current value is
smaller than the actual
operating current of the
motor.
Fine tune the cam clockwise so that the set
current matches the actual motor current.
Check installation status and conduct
troubleshooting. Do not place the product
in environment with strong shock or
vibration.
Strong shock or
vibration
The size is too big.
Change to product with smaller size.
The set current value is
bigger than the actual
operating current of the
motor.
Fine tune the cam counter-clockwise so
that the set current matches the actual
motor current.
Thermal
relay does
not work.
The product is not reset. Press the reset button to reset the relay.
Auxiliary contacts are
not powered-on.
Main circuit or auxiliary
circuit is burnt.
Replace thermal relay.
Replace thermal relay.
