Dry body temperature calibration furnace calibration process common faults and solutions:
Dry body temperature calibration furnace is commonly used to calibrate industrial thermocouples and thermal resistances. If improper operation occurs in the process, failures often occur. The following will simply list the common fault information to remind the user to check the relevant operations and the working status of the equipment.
Sound alarm
Reason: over-temperature protection action, and the temperature is still in an over-temperature state.
Countermeasures: Pay attention to whether the temperature in the tank is over-temperature or alarm due to controller failure. If the temperature is over-temperature, turn off the power of the machine.
Controller crashes
Cause: The operation is incorrect, the device is faulty, and the interference occurs.
Countermeasures: Turn off the power of the controller, restart the machine, and observe whether the machine can work normally. If it cannot work properly, repair it.
Temperature instability
Cause: Misadjusted PID parameters or disconnection of the temperature control thermometer, damage, and controller malfunction.
Countermeasures: Enter the PID parameters recommended by the manufacturer and debug. If it is determined that the hardware is faulty, repair it.
Machine cannot heat and cool
Causes: Breakage of semiconductor stacks, open soldering, or failure of the thermostat.
Countermeasures: If the user does not make mistakes, the equipment fault should be repaired.
The machine is not heated or cooled
Cause: The temperature control panel is damaged, the temperature control element is damaged, and the controller is faulty.
Countermeasures: Observe that the controller heating indicator is off, and push the indicator to eliminate the control circuit failure caused by poor contact, turn off the controller, in order to eliminate the controller "dead" caused no control signal output, if still can not be excluded, Equipment failure should be repaired.
Battery charge and discharge function does not work properly
Cause: The temperature control panel is damaged and the non-12V/7AH lead-acid battery is charged.
Countermeasures: If the user confirms that there is no operation error, it should be reported that the equipment is faulty.
Dry-type temperature calibration furnace in the course of the use of other failures, in the user self-check and confirm that the machine is working abnormally through the supplier or contact the manufacturer directly in order to understand the phenomenon of failure to carry out maintenance services.
Extended reading: Ming Yu controlled temperature furnace
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