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7.3 Troubleshooting
Fault
Green illuminated ring
around the on/off switch
does not light up
Product does not start
Yellow signal lamp
flashes at regular
intervals
Yellow signal lamp
flashes briefly twice at
regular intervals
Yellow signal lamp
flashes briefly four times
at regular intervals
Yellow signal lamp
flashes briefly five times
at regular intervals
Yellow signal lamp
flashes briefly six times at
regular intervals
Yellow signal lamp
flashes briefly seven
times at regular intervals
Signal horn sounds
Dust particles escape
from the clean air side
1502828-04
Cause
No power supply
available
No power supply
available
Product maintenance
is due
The frequency
converter has a fault
Compressed air error
Control error
Control error
Cleaning not
successful
Flow resistance too
high. Filter inserts
soiled
Filter inserts damaged
Tab. 23: Troubleshooting
- 89 -
Note
Have the power
supply checked by a
qualified electrician
Have the power
supply checked by a
qualified electrician
Contact the
manufacturer's
service department
Switch product off for
approx. 30 sec. –
Restart, contact
manufacturer's
service department
Check compressed air
supply
Contact the
manufacturer's
service department
Contact the
manufacturer's
service department
Check solenoid valve,
check plug
connections, check
solenoid valve cable
Change filter inserts,
contact
manufacturer's
service department
Change filter inserts –
Contact
manufacturer's
service department
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