Atlas Copco GA 11 VSD, Инструкция

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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.
For interventions in the compressed air circuit, close the air outlet valve and open the
manual condensate drain valves. Depressurise the compressor by opening the oil filler
plug one turn. Tighten the plug after completing the work.
For location of components, see sections:
• Introduction
• Condensate system
• Initial start-up
Open and lock the isolating switch.
The air outlet valve can be locked during maintenance or repair as follows:
• Close the valve.
• Remove the screw fixing the handle with the wrench delivered with the
compressor.
• Lift the handle and turn it until the slot of the handle fits over the blocking edge on
the valve body.
• Fit the screw.
The operator must apply all relevant Safety precautions .
Before electrical intervention
Wait for at least 6 minutes before starting any electrical repairs as dangerous high
voltage remains on the capacitors of the start and speed regulation unit during some
minutes after switching off the voltage.
Faults and remedies
If the alarm LED is lit or flashes, consult sections Status data menu and Service menu.
- Condition Fault Remedy
Condensate is not discharged
from condensate separator
during loading Discharge flexible clogged Check and correct as
necessary
Float valve malfunctioning Remove float valve assembly,
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
Oil separator clogged Have element replaced
Air leakage Have leaks repaired
Instruction book
72 API161475