05
Maintenance
4
-- The circuit breaker should be checked regularly when it is in operation;
-- After the associated circuit breaker cuts off the residual current, the fault
should be eliminated before closing.
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.
Table 3 Analysis and Troubleshooting of Common Faults
Symptoms
Cause analysis
Troubleshooting methods
and precautians
Large residual current existing in
the circuit
Residual current in the circuit is
within the operating range of the
circuit breaker
Frequent
switching action
Handle cannot be
closed
Check the circuit, and operate
after troubleshooting
Check the circuit, and operate
after troubleshooting
Use a circuit breaker with a
large rated residual operating
current
The product does
not work when
the test button
is pressed
Terminal
temperature is
too high
Poor terminal contact
Tighten the wiring screws
Button disabled
Replace the product(Do not
press the button continuously
for more than 2s)
Terminal not tightened
Tighten the wiring screws
The cross-sectional area of the
selected wire is too small
Use a wire with the right
cross-sectional area
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