Press Down key always and the following menu will appear:
Press Enter key and the following failure causes will appear:
In this case, just check if the temperature sensor is disconnected and if the sensor is damaged, etc.
2、 Common Failures and Causes
Failure
Reason
Disposal method
Air Exhaust
Temperature too
high
Bad vent condition, Oil lacking etc.
Check the vent condition and lubricant
amount etc.
Temperature
Sensor Failure
Cable off or PT1OO damaged
Checking the wiring and PT100
Over Pressure
The pressure too high or the pressure
sensor failure
Check the pressure and the pressure sensor
Pressure Sensor
Failure
Cable off, Sensor damaged or the
cable connected reversed
Check the wiring and sensor transformer
Lack Phase
Power phase lacking or the Contactor
terminal damaged
Check the power and contactors
Overloaded
Voltage too low, tubes blocked,
Bearing Wear off or other mechanical
failure or wrong set data etc.
Check the set data, Voltage, bearings,
tubes and other mechanical system.
Unbalance
Power unbalance, Contactor damaged
or the internal open of the motor
Check the power, contactors and the motor
Rotor Lock
Voltage too low, tubes blocked,
Bearing Wear off or other mechanical
failure or wrong set data etc.
Check the set data, Voltage, bearings,
tubes and other mechanical system.
Short Circuit
Wrong Wiring, Incorrect Data setting
etc.
Checking the wiring and set the data
correctly
Wrong Phase
Sequence
Reversed Phase sequence or phase off Check the wiring
Overload or
Rotor locking
during starting
Host start time set to a valueless than
the star angel time delay
Reset the host starting time to be longer
than star angel delay + Load delay time
MOTORS CURRENT
TOTAL RUN TIME
THIS RUN TIME
MAINTENANCE SET
HISTORY FAULT
PROD DATE NO.
THIS FAULT
STOP:T1 SENSOR FAULT
0170℃
