11.Normal Malfunction and debugging
Encountered symptoms
Possible cause
Debugging
Power on without display
1.Power supply is not connected.
Check the power supply system to see if there is voltage
2.Block have access to jack socket
Plug the equipment firmly
3.The power switch have not been turned on
Turn on the power switch on the right side of the equipment
4.The fuse is broken
Replace the fuse with new one of same specification
5.Malfunction of power box circuit occurs.
Notify the manufacturer for repair service
Equipment enter into
the state of temperature
exceeding alarm
1.Equipment has not yet enter into the state of
constant temperature
Wait a minute and observe for a while
2.Setting of the parameter is unreasonable
Refer to the operating procedure and change or re-set parameter
3.Malfunction of heating system occurs
Notify the manufacturer for repair service
Real temperature is lower
than the setting temperature,
thus activate the lower
temperature deviation alarm
1.Equipment has not yet enter into the state of
constant temperature
2.Temperature deviation alarm value is too small
Wait a minute and observe for a while
Reset the alarm value
3.Abnormal condition occurs with the heater
Notify the manufacturer for repair service
Screen displays nothing
or lack of stroke or distortion
1.Equipment is disturbed by high frequency
2.Eliminate the source of disturbance and restart the
operation
3.Block has access to displaying circuit
Eliminate the source of disturbance and restart the operation
Refer to professionals for check or repair service
Notify the manufacturer for repair service
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