After around 20,000 hours or four years of operation, screw air compressors usually require major maintenance, including bearing replacement. Long-term operation leads to internal bearing wear, causing loud noise and high temperatures. These signs indicate the need for an overhaul.
[pdf] 
Either an electrical problem, or the compressor has tripped on a safety device. Check supply power. Check for errors on display. Check emergency stop is out. Check and reset the overload relay. If it’s a new installation, check the phase sequence. Ambient temperature too high or not enough ventilation..
Either an electrical problem, or the compressor has tripped on a safety device. Check supply power. Check for errors on display. Check emergency stop is out. Check and reset the overload relay. If it’s a new installation, check the phase sequence. Ambient temperature too high or not enough ventilation..
The quickest way for direct results is to get my Air Compressor Troubleshooting Guide. You press the start button but nothing happens. Either an electrical problem, or the compressor has tripped on a safety device. Check supply power. Check for errors on display. Check emergency stop is out..
Whether you’re using a reciprocating compressor, a portable rotary screw, or a stationary rotary screw, this issue usually comes down to power, load, or airflow problems. Let’s walk through what to check based on your compressor type..
Symptoms: The compressor fails to start or has difficulty starting. Check Electrical Supply: Ensure that the compressor is connected to a reliable power source. Inspect for blown fuses, tripped circuit breakers, and damaged wiring. Reset the breakers if necessary.
[pdf] When pressing “Enter” the following interface will pop up and the password will be required (9999). NOTE: Customer Password can be modified in the CUSTOMER PARAMETER menu. Page 23 KRSD series ENTER PASSWORD ****. Page 24 UNLOAD P. *.**Mpa Unload pressure setting.
[pdf] 
