Comprag D-4508 [28/92] Fault handling

Version 1.4

6. Fault handling

6.1 Faults and corrective actions

Problem

Possible faults Corrective actions

The compressor starts up with

lag. There is a slow build up in

the electric motor’s speed.

The oil is thick. Replace the oil.

The compressor won’t start.

There’s a temperature block on

the control unit’s display.

The ambient air temperature in

the facility does not meet the

required temperature (below

+5 °C or above +40 °C).

Ensure the necessary ambi- ent

air temperature where the com-

pressor is installed.

The compressor is overheating. There’s insufcient ventilation in

the facility where the compres-

sor is installed.

Increase the air circulation

inside the facility.

The oil level is too low. Top up oil.

The radiator is dirty Blow down the radiator with

compressed air.

The safety-relief valve of the

separator tank is activated.

The separator is dirty. Perform maintenance by

replac- ing the separator.

The pressure is too high

(over13 bar).

Set the working pressure

below 13 bar.