DV Systems A5 (T) Manuale di installazione e assistenza - Pagina 16
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Condition:
B. No or Insufficient Air Flow.
C. Unit is overheating.
D. Compressor Starts Slowly.
E. Intake Valve Leaks Oil
When Unit Stops.
Trouble Shooting Guide (cont'd)
Cause:
Air Filter is dirty.
Oil Separator is blocked.
Intake Valve is faulty.
Air leaks in the system.
Pressure limits are incorrectly set.
Blowdown Solenoid Valve is open.
Belt is broken.
Ambient temperature is too high.
Blocked air circulation at the Unit.
Heat Exchanger is dirty.
Oil level is too low.
Using wrong type of compressor oil.
Thermo Valve is faulty.
Oil Filter is blocked.
Temperature Sensor is faulty.
Cabinet door/panel is open/off.
Intake Valve Seal is closed.
Ambient temperature is too low.
Minimum Pressure Valve leaking back to Air
End.
Minimum Pressure Valve setting is too high.
Using wrong type of oil.
Intake Valve Seal leaks.
Intake Valve stuck in open position.
Blowdown Solenoid not functioning.
Suggested Correction:
Replace the Air Filter.
Replace the Oil Separator.
Repair or replace the Intake Valve.
Check the Unit and system for air leaks.
Adjust the pressure settings.
Check the wiring to the Solenoid and replace as
necessary.
Check Belt tension and that Belt is in good
condition.
Check cooling air circulation.
Check the air circulation in and around the Unit.
Clean the Heat Exchanger
Add oil as required.
Change to the factory recommended oil.
Check and repair as necessary.
Replace the Oil Filter.
Check the wiring to the Temperature sensor.
Replace the Sensor if necessary.
Secure the door/panel to the Unit.
Intake Valve is seized. Repair or replace.
Stop and restart once ambient increases.
Repair or replace the Minimum Pressure Valve.
Adjust Minimum Pressure Valve setting to 65 psi.
Change to factory recommended oil.
Repair using an Intake Valve Repair Kit.
Repair or replace the Intake Valve.
Replace the Solenoid.
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A5-C
Sep '15