Service Procedure
If the instrument develops a malfunction that cannot be
corrected by operator maintenance, it may be serviced
by your local Spectronic Instruments service
organization.
.If you are in the U.S.A., contact Spectronic
Instruments whether the instrument is still under
warranty or it has expired.
.If you are outside the U.S.A., contact the distributor
from whom you purchased the instrument whether
the instrument is still under warranty or it has
expired.
2. Include a detailed letter inside the shipping carton,
fastened to the instrument, describing the trouble.
Please include the name and phone number of the
person or department head most familiar with the
problem. This information enables service personnel
to make required repairs promptly and at least
expense.
3. In the United States, mark on the shipping container:
FIRST ClASS LElTER ENCLOSED
First class postage is required only on the letter. The
carton is accepted at standard mail rates.
Troubleshooting
If it is necessary to ship the instrument:
I. Wrap the spectrophotometer in plastic, then pack
carefully in a crush-resistant carton with at least
three inches of shock absorbing material to prevent
trapsit damage.
Table 3-1, Operator's Troubleshooting Guide, outlines
some diagnostic techniques that may help you isolate
the cause of a problem.
Table 3-1 Operator's troubleshooting guide
I Problem
II. Instru~nt does not function
a. Power line cocd nol connected to outlet.
D. Dead ~wer outlet.
-' Internal fuse blown.
d. Defective electronic co nent.
! a. Sample co~ment cover nol closed.
I b. Lamp access dOCX' nol tightly closed.
..:. Pholotube defective.
d. Defective electronic component.
ii. POCX' sampling technique.
P' .cocd.
T wer outlet.
Refer to service manual oc service center.
Refer to service manual oc service center.
CI
CI ten thumbscrew.
Re
Refer to service manual oc service center.
.Eliminate bubbles oc particles in solution.
.Set IOO%Tona 'ate blank solution.
Set filter I v sition.
ReOK)ve sa sis.
Check voltage and grounding.
Reset Line Voltage Selection Switch.
12.
Meter/Display doos not zero. ~
3. Readings are drifting <r
incaTect.
o. Filter selection lever is in wrong IXJsition.
,~~ ow. Fu~s from sample.
d. Excessive line voltage variation. ;
Wrong line voltage setting (international models'
only).
.Source lamp defective. Replace with new lamp.
g. Phototube defective. Replace as required. I
n. Defective electronic co nent. Refer to service manual or service center
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