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Troubleshooting
9
Troubleshooting
Any repairs to maintenance units operated in areas with potentially explo-
Repairs in
sive atmospheres (ATEX areas) are to be carried out exclusively by
ATEX areas
Netter
Malfunctions
In the case of malfunctions of the maintenance units proceed as follows:
and causes
Disturbance
No pressure indication
Low flow rate
(when air is consumed,
the operating pressure
collapses)
Pressure increases
above the set operating
pressure
Audible blow-off at the
pressure regulator
Audible blow-off at the
condensate drain screw
18
Vibration.
Possible cause
Shut-off valve closed
Pressure not adjusted
No compressed air
supply
Pressure gauge defec-
tive
Filter cartridge soiled
Valve disc defective at
the sealing seat in the
housing
Valve seat damaged
Drain screw leaking
Corrective action
Open shut-off valve.
Adjust the pressure on the pressure
regulator.
Check and ensure the customer's
compressed air supply.
Replace pressure gauge.
Replace filter cartridge.
Send the defective component, with
a description of the fault and the
operating conditions, to
Netter
Vibration.
Tighten or renew the drain screw.
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