Quality management
Basic knowledge
Trouble shooting
Maintenance


Trouble shooting

Common electric failure and causes
   

Common electric failure and causes

         
FAILURE
CAUSES
MEASUREMENT TO TAKE
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
Water Lacking
Water Pressure switch damaged
Check the water pressure switch
Phase Lacking
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
Fan stopped
Fan damaged, Contactor damaged, no control output
Check the wiring and control output
Overload or Rotor locking during starting process
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
Main Contactor activate time to time
The emergency button loose
Check the wiring
 


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<友情连结> 武汉市温州商会/ 上海市北印刷(集团)有限公司/ 石家庄市汇丰动物保健品有限公司/ 7 Whole Grain Recipes/ ePlaneta/