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