5.0 PROBLEM SOLVING
5.1 Problem
Compressor does not reach capacity.
5.1.1 Possible Cause
Inlet screen (mesh) of the inlet filter clogged with debris.
Remedy
: check inlet filter element and clean screen (mesh) by compressed air or wash it.
5.1.2 Possible Cause
Pipe work is too long or small.
Remedy
: Use the bigger diameter pipe and shorten the lines length if possible.
5.2 Problem
Compressor runs over set pressure.
5.2.1 Possible Cause
Pressure Regulator or Safety Valve set over the set point, or is out of order.
Remedy
: Set the point again or replace it with new one.
5.3 Problem
Compressor does not reach the set pressure.
5.3.1 Possible Cause
Leak on the compressor or system.
Remedy
: Check the leak on the compressor or system.
5.4 Problem
Compressor runs very noisy.
5.4.1 Possible cause
Contamination of the claws or chamber.
Remedy
: Clean the pumping chamber and the claws.
5.4.2 Possible cause
Coupling insert is worn.
Remedy
: replace coupling insert in motor/compressor coupling.
5.4.3 Possible Cause
Bearing noise
Remedy
: replace bearings or call service agent for service or exchange program.
5.4.4 Possible Cause
Pressure regulator or safety valve noise
Remedy
: replace Pressure regulator or Safety valve
5.5 Problem
Compressor will not start.
5.5.1 Possible Cause
Supply voltage is not proper or is overloaded. Motor starter overload settings are too low or
improper; fuses are burned; wire size is to small or too long causing a voltage drop.
Remedy
: check voltage supply; overload settings in motor starter for size and settings
according to motor nameplate. Install proper size wire. If ambient temperature is high,
use the next larger size overloads, or adjust settings 5% above motor nameplate value.
Remedy
. Repair or replace if needed or call service agent for service or exchange program.