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How to troubleshoot common failures of freeze dryers


Mechanical equipment failures are naturally inevitable, but understanding and grasping common failure phenomena and corresponding solutions is undoubtedly more handy, and the eight common failure symptoms and troubleshooting guides for freeze dryers are introduced below:

Symptoms I. The dryer is not running. The parts of the air compressor are disconnected. The fuse is blown. The thermal relay is activated. The high voltage switch is operated.

Symptom two : The dryer stops for a short time after the dryer starts. The ambient temperature is too high. The condenser is blocked. Sullair air compressor parts are overloaded. The lack of refrigerant is low. The air pressure is too low. The air intake is too large. Sullair air compressor parts are stuck.

Symptoms III . Sullair air compressor parts do not start, wiring is incorrect, voltage is too low, start capacitor is damaged, relay or contactor is not closed, start winding is open, phase is missing, Ingersoll Rand air compressor parts, Ingersoll Rand compressor parts, Shanghai Inge Solan air compressor parts Shanghai Ingersoll Rand compressor parts Ingersoll Rand air compressor oil Sullair air compressor parts Shanghai Sullair air compressor parts Sullair air compressor oil rolling door repair electric door repair telescopic door repair garage Fire Door Repair

Symptoms IV . Sullair air compressor parts repeatedly start and stop low voltage or three-phase unbalanced overload protector due to overload protection action. Is there any other electric life force air compressor parts and equipment connected to the overload protector? Is the overload protector malfunctioning and the capacitor is too small? Exhaust pressure is too high

Symptom 5. The relay burns out. The voltage is too high or too low. The running capacitor is incorrectly started and stopped repeatedly (refer to 2 and 3). The relay specifications do not match. The mounting base is incorrect.

Symptom 6. The capacitor is burnt out. The mismatch voltage is too high.

Symptom 7. Exhaust pressure is too high. Refrigerant volume is too high. Air condenser in the refrigeration system. Dirty ambient temperature is too high. Fan pressure switch is faulty. Fan motor is faulty.

Symptom 8. The exhaust pressure is too low and the refrigerant volume is too low. The fan pressure switch is faulty.

The above failure phenomena are the places where the freeze-dryer has relatively high failure frequencies in practical use. Mastering the fault ranking techniques in various aspects can greatly improve the probability of finding the root cause of the failure problem, and After you find out the problem, you can better solve the problem. Of course, if you can't solve it or you can't check the fault, you can ask a professional freeze dryer manufacturer to deal with it. For example, in Dongguan area, you need to buy a chiller, screw chiller, freezing Plastic auxiliary equipment such as dryers, etc. Welcome to visit our official website http://ylscps.com



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