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Chapter V
Maintenance and Troubleshooting Information
Troubleshooting the Instrument
The advanced design of the RMLD makes it one of the most reliable leak survey
instruments available. However, should you experience problems with the instrument or
suspect that the instrument is not operating properly, do not use the instrument for leak
survey work until the problem is resolved.
Only a qualified RMLD repair technician should attempt to repair or adjust
the
instrument.
There are no user serviceable components in the RMLD that can be repaired
or replaced.
Most often, a problem has a simple cause. The following table provides a list of common
problems, cause and solution. Should you have a problem not listed or the
solution
doesn’t
work, please contact HEATH for further assistance.
Symptom
Probable Cause(s)
Solution
Readings are higher than
normal at short range and
lower than normal for long
range.
Laser calibration has
drifted
Run Self-Test
Concentration reading low
and will not pass the Self-
Test
Laser calibration has
drifted
Run Self-Test and use
the override function
Have to use Self-Test
override each time the Self-
Test is performed
Laser calibration has
drifted
Laser calibration drift
rate is too high
Perform the Self-Test
on a daily basis
Contact HEATH.
Unit will not turn on
Low battery
Recharge internal
battery, or
Use the External Power
Supply
Keep getting a warning
sound or icon when
scanning
Scanning at a distance
beyond the RMLD
range
Background surface is
absorbing or reflection
the light level
Move closer to the
target, or
Change angle to the
target to get a better
reflecting background
Check battery level and
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