Telstar Bio II Advance, User Manual

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UM-BIOIIADVANCE-EN-1302 31
10. TROUBLESHOOTING
No. Type of
error
Causes of error Correction of error
1
Insufficient
exhaust
flow
Alarm “
LOW
EXH. FLOW”
(see Chapter
4.5 point D)
Exhaust partially covered.
Visually check the exhaust to remove any
type of obstruction.
Front perforation in the
working area
totally/partially covered.
Visually check the perforation and remove
any type of obstruction.
Distance between cabinet
exhaust and lab ceiling too
small.
Increase space between cabinet exhaust
and the ceiling. In some cases it is
possible to modify or eliminate the false
ceiling.
Install a lower support table. This means
the working area will be also lower.
Duct the cabinet (
Chapter 3.5
).
Clogged exhaust filter.
Check filter clogging with the cabinet in
normal operation (
Chapter 4.5 point 2
).
Check the date of the last filter change
and the hours it has been under operation.
(
Chapter 4.5 point 3.3.1
).
Notify the technical service to change the
filter.
Probe not working properly. Check the probe position is correct.
Ducted cabinet and ducting
too long. Fit an additional fan at the end of the duct
(
Chapter 3.5
).
2
Insufficient
laminar
down flow
Alarm “
LOW
LAM. FLOW
”
(see Chapter
4.5 point D)
Front and rear perforation
in the work zone
totally/partially covered.
Visually check the perforation and remove
any type of obstruction.
Clogged laminar down flow
filter.
Check filter clogging with the cabinet in
normal operation (
Chapter 4.5 point 2
).
Check the date of the last filter change
and the hours it has been under operation.
(
Chapter 4.5 point 3.3.1
).
Notify the technical service to change the
filter.
Probe not working properly.
Check the probe position is correct (sensor
parallel to the flow).
Check and remove any obstruction to the
probe.