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Error indication Cause Remedy
Flashing Filter cleaning in progress Wait for filter cleaning
(approx. 45s)
Permanent Repeated attempts to clean
the filter have only improved
the suction power for a
short time or hardly at all.
Replace the filters, see
section 3.2
Fast flashing Timer for dust container
check has expired
Check dust container and
pull lever upwards, see
section 3.1.
No air blast while filter cle-
aning (Relay click only!) or
filter cleaning without effect
No compressed air at the
unit or in the lab
Check pressure gauge,
check compressed air
connection
Suction unit has no power,
no LEDs lighted
Laboratory socket has no
voltage or automatic circuit
breaker (50) has tripped
Check power supply and
circuit breaker (50). Contact
Service.
Some vacuum level LEDs
(L1) are flashing
The selected vacuum level
can no longer be reached,
but only the vacuum level of
the non flashing LEDs..
Filter replacement required
or too many workstations
opened simultaneously or
suction hose not connected,
pipe leakage..
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