10 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.
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, Condensate system and Initial
start-up.
Open and lock the isolating switch.
The operator must apply all relevant Safety precautions.
Compressor
On compressors equipped with an Elektronikon® controller, if the alarm LED is lit or flashes, consult sections
Shutdown warning and following
- 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
Condensate is not discharged
from condensate separator during
loaded operation
Discharge flexible clogged Check and correct as
necessary
Automatic drain malfunctioning Disassemble, clean and check
- Condition Fault Remedy
Compressor air output or pressure
below normal
Air consumption exceeds air
delivery of compressor
Check equipment connected
Choked air filter element Replace filter element
Solenoid valve malfunctioning Replace valve
Leak in control air flexibles Replace leaking flexibles
Inlet valve does not fully open Have valve checked
Oil separator clogged Have element replaced
Instruction book
156 2920 7090 51
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