D FASTER CytoFAST Top, Operating And Maintenance Manual

Page: 33 / 48

a D:GROUP Company
00055EN Rev.10 – 12/2011
32
9 MONITORING SYSTEM
ALARM OR ERROR MESSAGE DESCRIPTION
Min. LAF Alarm Airflow speed in the work chamber under minimum threshold value
Min. BARR Alarm Insufficient air suction from the front aperture
LAF Triac Failure Too fast and uncontrollable main motor-fan (LAF)
No encoder input LAF No input from the fan anemometer installed on the LAF main motor-fan
No encoder input EXH No input from the fan anemometer installed in the exhaust duct
Max LAF Alarm Airflow speed in the work chamber over maximum threshold value
Front Glass open The front window is not well closed.
UV Lifetime over Residual lifetime of the UV lamp expired
Sensor failure One of the two sensors does not work correctly, press “MUTE” and the
display show the sensor code
BLACK-OUT Warning of black-out when the main key-switch of the cabinet is in
position “1” (cabinet working).
Press “MUTE” to stop the alarm.
HEPA Filters Check Possible clogging of absolute (HEPA) filters
Exhaust Duct Check Possible clogging of the exhaust duct
F1 (2, 3, 4, 5) Lifetime over Residual lifetime of the Absolute filters (HEPA) expired
AUX Lifetime over Residual lifetime of the auxiliary filter installed in the exhaust kit (if
installed) expired.
ATTENTION DANGER Reduced
airflow DO NOT WORK Warning to pay attention when the speed reduction is activated (only for
keyboards with “SPEED REDUCTION” key)