Problem Solving - Atlas Copco GA 5 Instruction Book

10

Problem solving

Warning
Compressor
On compressors equipped with an Elektronikon® controller, if the alarm LED is lit or flashes, consult sections
Shutdown warning
- Condition
Compressor starts running, but
does not load after a delay time
- Condition
Compressor does not unload,
safety valve blows
- Condition
Condensate is not discharged
from condensate separator during
loaded operation
- Condition
Compressor air output or pressure
below normal
156
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.
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:Introduction,
start-up.
Open and lock the isolating switch.
The operator must apply all relevant
and following
Fault
Solenoid valve out of order
Inlet valve stuck in closed position Have valve checked
Leak in control air flexibles
Minimum pressure valve leaking
(when net is depressurised)
Fault
Solenoid valve out of order
Inlet valve does not close
Fault
Discharge flexible clogged
Automatic drain malfunctioning
Fault
Air consumption exceeds air
delivery of compressor
Choked air filter element
Solenoid valve malfunctioning
Leak in control air flexibles
Inlet valve does not fully open
Oil separator clogged
Condensate system
Safety precautions.
Remedy
Replace valve
Replace leaking flexible
Have valve checked
Remedy
Replace valve
Have valve checked
Remedy
Check and correct as
necessary
Disassemble, clean and check
Remedy
Check equipment connected
Replace filter element
Replace valve
Replace leaking flexibles
Have valve checked
Have element replaced
Instruction book
and Initial
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