Instruction manual
Troubleshooting
Troubleshooting Guides
Thermo Fisher Scientific Model 5030i SHARP Instruction Manual 6-3
Malfunction Possible Cause Action
LCD cable loose Check connection and cable
integrity.
LCD defective Replace display.
The change of
parameters is not
possible
Keyboard not enabled Enable keyboard through menu.
No mass value ADC defect Change the main circuit board.
Mains are broken Check and repair.
No high voltage value Check HV.
Detector defect Change detector.
No automatic filter
change
Mechanical defect Check filter transport motor and
mechanics. Make sure tape is
adhered to take-up reel and
intact.
If pump is not running Check pump power supply and
wires.
If the filter change parameter
reaches the FC-value for the
second time, then, the monitor
stops
Adjust filter change parameters.
LCD out of function or
dark
Wrong contrast Adjust contrast.
LCD defect Change LCD.
Connection cables from the
main board are broken
Replace display ribbon cable.
Air flow rate
disturbance or air flow
is too low
Air flow parameters wrong Check air flow rate parameters.
No connection with plug (25)
“pump”
Put in the plug (pump regulation
input).
Pump do not work properly Clean inside parts of pump
change.
Very high pollution or blocking
in the air passage
Clean air passage.
Check ΔP calibration valve are
in closed position
Close valves.
Neph Board Failures External cable not connected Check cable connection.
Internal cable not connected. Check cable connection.
Low Source Current Disconnected Source/Ref
cable
Check cable connection.