50
Troubleshooting Guide
Table 7-1: TROUBLE SHOOTING GUIDE (Continued)
Symptom
Possible Cause
Solution
Compressor does not
reload when service line
pressure drops to reset
Faulty solenoid
Repair or replace as necessary
Loose wiring connection
Check and tighten wiring terminals
Faulty proportional valve
Orifice plugged. Clean or replace as
necessary
Jammed air inlet valve
assembly
Check and repair air inlet valve
Faulty air pressure sensor
Repair or replace as necessary
High air discharge
temperature
Low Fluid Level
Check oil level
Incorrect fluid brand
Check oil code number, replace as
necessary
High ambient temperature
Check air exhaust, reduce room
temperature.
Plugged oil filter
Change oil filter
Plugged internal
aftercooler
Chemical cleaning for after-cooler
Dusty after-cooler fins
Chemical wash for after-cooler fins
Fan motor setting
Adjust
Temperature sensor failure
Check and replace as necessary
Loose wire
Check and tighten
Low air capacity
delivery
Plugged air filter
Clean air filter or replace with new element
Air Intake valve failure
Remove the intake hose and check the inlet
valve for proper operation
Separator failure
Replace separator element
Faulty indirect proportional
valve
Adjust or replace as necessary
Faulty solenoid
Repair or replace as necessary
Faulty safety valve
Repair or replace as necessary
Excessive oil carry over
in discharge
compressed air.
High oil level
Check oil level
Plugged oil orifice valve
Clean or replace as necessary
Low discharge pressure
Adjust
Air/oil separator element
failure
Clean or replace as necessary
Minimum pressure valve
malfunction
Check for leaking, replace as necessary
Loading function Failure
Solenoid valve failure
Check and replace as necessary
Pipe leak
Check and replace as necessary
Proportional valve failure
Check and replace as necessary
Air Intake valve stuck open
Remove the intake hose and check the inlet
valve for proper operation
Minimum pressure valve
failure
Check for leaking, replace as necessary
Summary of Contents for CSST13020
Page 1: ...SCREW AIR COMPRESSOR CSST13020 Instruction Manual Release August 2018 ...
Page 2: ......
Page 47: ...4 5 Servicing ...