User manual

page 59
Cyclon Series User Manual – Fault Finding
1.2 Alarm Fault Indications
Display Meaning
L2 Flashing Slowly High Temperature
L3 Flashing Slowly Service Due
L5 Flashing Slowly Change air filter
2. SHUTDOWN FAULTS
Fault Possible Cause Action Required
Emergency Stop (1) Emergency Stop Switch (1) Establish reason and
operated. rectify. Turn Emergency
Stop switch to release latch
and Press RESET .
Excess Pressure (1) Compressor failed to (1) (a) Check air intake valve
unload. operation and diaphragm.
(b) Check operation of
load solenoid valve.
Pressure Sensor Failure (1) Wire Connections. (1) Check all pressure sensor
circuit wire connections.
(2) Sensor failure. (2) Renew sensor.
Excess Temperature (1) Insufficient cooling air flow. (1) Check all panels secure.
Check fan blades.
Clean pre-filter.
Clean coolers.
(2) High ambient Temperature. (2) Check room ventilation.
(3) Oil cooler bypass valve. (3) Check for correct operation
faulty.
(4) Low oil level. (4) Check for leaks and rectify.
Top up oil to correct level.
(5) Incorrect oil grade. (5) Check oil grade, drain and
flush oil system and service
oil filter and oil separator
elements.