8
Problem solving
Warning
Before carrying out any maintenance, repair work or adjustment, press the stop button,
wait until the compressor has stopped, press the emergency stop button and switch off
the voltage. Close the air outlet valve and lock it if necessary.
Depressurize the air connection between the minimum pressure valve and the
compressor outlet ball valve. Turn slowly the air vent plug (Fa) just one turn to permit
any pressure in the system to escape.
If provided, open the manual condensate drain valves. Depressurise the compressor by
opening the oil filler plug one turn.
For location of components, see sections:
.
Open and lock the isolating switch.
The operator must apply all relevant
.
Position of air vent plug
Compressor
-
Condition
Fault
Remedy
Compressor starts running, but
does not load after a delay time
Solenoid valve out of order
Replace valve
Inlet valve stuck in closed
position
Have valve checked
Leak in control air flexibles
Replace leaking flexible
Minimum pressure valve leaking
(when net is depressurised)
Have valve checked
-
Condition
Fault
Remedy
Compressor does not unload,
safety valve blows
Solenoid valve out of order
Replace valve
Inlet valve does not close
Have valve checked
-
Condition
Fault
Remedy
Compressor air output or
pressure below normal
Air consumption exceeds air
delivery of compressor
Check equipment connected
Instruction book
2920 7101 41
73
Summary of Contents for CPC 40 G
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