Faster ASEPTIC, Operating And Maintenance Manual

Page: 35 / 68

a D:GROUP Company
00254EN – Rev. 01 – 11/2012 35
9 TROUBLESHOOTING - Probable causes of malfunctions
PROBLEM CAUSE REMEDY
Isolator does not work – the electricity supply has
been cut off at the mains
– Electronic board out of order
– Blown fuse(s)
– check the voltage input to
the isolator
– Replace PCB
– Replace fuses
Alarm: “HEPA filters check” Main HEPA filter clogged Replace HEPA filter
Alarm: “Min. Pressure alarm”
The suction motor-fan does not
work properly Check the gloves integrity
Check F6 fuse on the power
card
Check that the suction duct is
not clogged
Check the suction motor-fan
HEPA filters are clogged. Replace HEPA filters. Alarm: “Minimum LAF alarm”.
The main motor-fan does not
work Check the terminal voltage of
the power card of the main
motor-fan
Check F7 fuse on the power
card
Replace the power card
Replace the microprocessor
card
Alarm: “Black-out ” Blackout Check the feeding cable, the
connection plug/socket, the
power supply line
Press “Mute” [15] key to silence
the alarm
Alarm “Sensors failure” Failure of sensor XX Replace XX sensor.
Alarm: “No encoder input LAF” No signal from LAF flow sensor Replace the LAF sensor