Troubleshooting
The following is intended to address common situations encountered when operating the BWB flame photometer range. For additional information,
log on to www.bwbtech.com and check under Applications Tab and/or FAQ Tab for common questions and answers.
Note: If service is required this should only be performed by qualified service engineers. If you attempt to carry out the work you may void the
warranty.
Further assistance is available at technicalsupport@bwbtech.com when emailing us, please provide the Serial Number, Hour Meter reading and
describe the situation and the fault symptoms in as much detail as possible.
No display on power up:
Check power cord is plugged in to the rear panel and mains supply
is turned on.
Check the mains supply conforms to proper standards.
Check and, if necessary, replace the fuse(s).
Check the LCD contrast is not set too low. An indication of this will
be if the flame out LED is lit but the main display is not visible.
(From originally powering the instrument up, press keys 3, 2, 1.
Continue to press accept until the display can be seen and then
press the back/STOP key to confirm).
No flame ignition on Start Up:
Gas Supply
Check the gas supply is turned on at source and it is not exhausted.
Ensure the gas source is properly regulated to no more than 20bar.
Test hoses and connections for leakage and repair as needed.
Air supply
Check the correct position is selected on the rear panel switch for the
air supply being used (Internal or External).
From the Start Up menu, select the Maintenance menu and Run
Compressor.
Check the compressor is running. Remove the tubing from the air inlet
and ensure air is flowing out of the tube. If not consult your local agent
or BWB regarding compressor service.
U-Tube
Check the centre of the drain cup is filled with water and that the
check U-tube LED is not lit.
If the drain cup is filled with water but check U-tube LED is lit, check
the Level Sensor is plugged in and the float has not stuck.
Spark
During Start Up visually check, through the Inspection Port, that a
spark is generated to the centre of the flame spreader, indicating the
ignition system is working.
If no spark is seen, unplug the power cord, remove the Outer Chimney
Rear Plate and check that the lead connection to the Spark Igniter is
properly attached.
Fuel Gas Pre-set
Perform the fuel gas pre-set adjustment.
Instrument fails to stabilise after Start Up:
Check the instrument is sited in a draught free location.
Ensure the ambient air is clean and free of airborne particles.
Check the mains supply conforms to proper standards.
Check the gas supply is not fluctuating or almost exhausted and
all hoses and connections are not leaking. Repair/replace as
required.
Check the nebuliser performance. If unsatisfactory, clean
nebuliser as instructed or replace.
If using an External air supply, check this is not fluctuating.
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