Air compressor fault comparison table to help you quickly locate the fault location
If an abnormality occurs during the operation of the air compressor, the cause of the fault must be immediately identified and the fault must be eliminated promptly before it can be used again after repair. Do not blindly continue to use it to cause unpredictable losses.
Air compressor fault comparison table to help you quickly locate the fault location
If an abnormality occurs during the operation of the air compressor, the cause of the fault must be immediately identified and the fault must be eliminated promptly before it can be used again after repair. Do not blindly continue to use it to cause unpredictable losses.
Fault phenomenon 1. The air compressor cannot start
Possible reasons ①.The fuse is blown
②.Starting electrical failure
③. Poor contact of the start button
④.Poor circuit contact
⑤.The voltage is too low
⑥Main motor failure
⑦. Host failure (the host makes abnormal noises and is locally hot)
⑧.Power supply phase loss
⑨.Fan motor overload
Troubleshooting methods and countermeasures: Ask electrical personnel to repair and replace
Fault phenomenon 2. The operating current is high and the air compressor automatically stops (main motor overheating alarm)
Possible causes:
①.The voltage is too low
②.Exhaust pressure is too high
③. Oil and gas separator is clogged
④.Compressor host failure
⑤.Circuit failure
Troubleshooting methods and countermeasures:
①.Ask electrical personnel to check
②. Check/adjust pressure parameters
③.Replace with new parts
④. Body disassembly and inspection
⑤. Ask electrical personnel to check
Fault phenomenon 3. Exhaust temperature is lower than normal requirements
Possible causes:
①. Temperature control valve failure ①. Repair, clean or replace the valve core
②. No load for too long ②. Increase gas consumption or shut down the machine
③.Exhaust temperature sensor failure ③.Inspect and replace
④. The intake valve failed and the suction port was not fully opened. ④.Clean and replace
Fault phenomenon 4. The exhaust temperature is too high, and the air compressor automatically shuts down (excessive exhaust temperature alarm)
Possible causes:
①.Insufficient amount of lubricating oil ①.Check the added oil
②. The specification/model of lubricating oil is wrong ②. Replace with new oil as required
③. Oil filter is clogged ③. Check and replace with new parts
④. The oil cooler is clogged or the surface is seriously dirty. ④. Check and clean
⑤. Temperature sensor failure ⑤. Replace with new parts
⑥. The temperature control valve is out of control ⑥. Check, clean and replace with new parts
⑦. Excessive dust collection in fans and coolers ⑦. Remove, clean and blow clean
⑧.The fan motor is not running ⑧.Check the circuit and fan motor
Fault phenomenon 5. Exhaust gas contains large oil content
Possible reasons: Exhaust gas contains large oil content
①. Oil and gas separator is damaged ①. Replace with new parts
②. One-way oil return valve is clogged ②. Clean the one-way valve
③. Excessive lubricating oil ③. Release part of the cooling oil
Fault phenomenon 6. Oil spits out from the air filter after shutdown
Possible causes:
①The one-way valve spring in the intake valve fails or the one-way valve sealing ring is damaged
①Replace damaged components
Fault phenomenon 7. The safety valve operates and blows air.
Possible causes:
①. The safety valve has been used for a long time and the spring is fatigued. ①. Replace or readjust
②. Oil and gas separator is clogged ②. Replace with new parts
③. Pressure control failure, high working pressure ③. Check and reset
