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INS0228 July 2020
Finally ensure t hat t he black rubber RS232 cover is t ucked in under
t he lip and t hat t he lid can be fully closed. ( see sect ion
5.6
) .
7 .
Tr o u b l e s h o o t i n g
This sect ion list s t ypical problem s t hat m ight be encount ered when
using t he lum inom et er , and t he possible causes and rem edies.
Som e problem s can be rect ified by t he operat or, and ot hers m ay
require t echnical assist ance:
Severity
Action Required
✓
This indicates a cause which can be rectified by the operator.
This indicates a cause which may require technical attention.
Contact your local distributor for further assistance.
TI P: Most problem s are likely t o be t ransit ory, and can be cleared by
pressing t he
but t on, or by t urning t he lum inom et er off and t hen
back on. I n som e cases you m ay need t o rem ove t he bat t eries for 30
seconds and t hen reinsert t hem . I f any problem persists, please
cont act your local dist ribut or for t echnical assist ance, giving full
det ails of t he error code.
7 .1
Lu m i n o m e t e r Be e p s
During norm al use, t he lum inom et er em it s a variet y of different
beeping sounds:
Beep Type
Possible Causes
Short high-
pitched tone
✓
Luminometer turned on or off
✓
Sample measurement started
✓
Communications established with PC
✓
Results memory being erased
Long high-
pitched tone
✓
Luminometer calibration self-checks complete
✓
Sample measurement complete
✓
Results memory erase complete
Long low-pitched
tone
✓
Invalid date entered
✓
Program thresholds not set-up
✓
Invalid program threshold limits entered
✓
Attempting to select a non-failed (pass/caution) result for retesting
Two short high-
pitched tones
✓
Calibration self-checks required – remove testing device and close the lid
Three short
high-pitched
tones
✓
Clock set-up required
✓
Batteries are low
✓
Memory full warning
✓
Memory erase requested
✓
Luminometer error (see section
7.3
)
7 .2
Tr o u b l e sh o o t i n g Ti p s
I f t he lum inom et er appears t o be m alfunct ioning for any reason, carry
out a t horough check for any obvious dam age t o t he case, lid, LCD
scr een, bat t ery cont act s, et c., caused by dropping or excessive
physical m ishandling.
