Cole Parmer 1200 Series Kullanıcı Kılavuzu - Sayfa 17
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Troubleshooting
PROBLEM
Instrument
Inoperative
(Power indicator
has no light)
Instrument can
not set 100%T
(0.000A)
%T can not be
set to 00.0%T
Incorrect
Transmittance to
Absorbance
correlation
Digital Display
does not change
regardless of
sample
concentration
Table-4
Possible Cause
Power cord not connected to outlet
Dead Power outlet
Wrong voltage setting
Internal fuse blown or defective electronic
component
No Cuvette Adapter in the Sample
Compartment
Light beam blocked:
•
Holder misaligned
•
Shutter
Lamp is old or defective
Lamp is off alignment
Defective electronic component
Sample holder
Sample holder shutter
Defective electronic component
Bubbles or particles in solution
Defective electronic component
Concentration reading "frozen"
Wrong wavelength setting
Insufficient sample volume
Stray sample preparation vapors
Bubbles or particles in solution
Defective electronic component or loose wiring
Table-4
Troubleshooting
Troubleshooting
(continued)
17
Solution
Plug instrument in
Change to a different outlet
Call an authorized service
engineer
Cuvette Adapter must be in
Sample Compartment to open
sample holder shutter
Check sample holder
Replace lamp
Refer to Lamp Replacement
instructions in this manual
Call an authorized service
engineer
Remove Cuvette Adapter or
test tube
May be stuck open Close
shutter
Call an authorized service
engineer
Check sample preparation and
analytical procedure
Call an authorized service
engineer
Change MODE from C to F, T
or A and back to C Restart
measurement procedure
Check sample procedure and
wavelength setting
Fill cuvette with more samples
Prepare the sample away from
the instrument. Use proper
ventilation
Check sample preparation and
analytical procedure
Call an authorized service
engineer