18
11.
In the lamp house (figure 5b), loosen the white thumbscrew (#1) and adjust
the vertical flange (#2) close to it forward/backward. The displayed
number XXX will vary in accordance with flange movement. Find the
largest number and tighten the thumbscrew.
12.
Close the lamp door with knob tightened. Power off and Power on again
the instrument to complete lamp alignment.
Messages
This section lists messages for errors or abnormal conditions during operation.
Error-0 Grating photo-interrupter or grating motor has malfunctioned, call for
service.
Error-1 Light source is not functioning or too weak/ bright, change with
proper lamp supplied by original manufacturer.
Error-2 Grating motion exceeds lower limit, call for service.
Error-3 Grating motion exceeds upper limit, call for service.
Beep
Beeping while blanking with lid open or blanking solution
absorbance greater than 1.5A, or while sample reading with
absorbance greater than 4.0A. The beep will continue until the
condition is resolved.
Replacement parts
Part#
Description
0960870100
Tungsten-halogen lamps, package of 2
870207A
16mm round tube holder
A00001-1
10mm plastic square cuvette, package of 100
A00003
1/2” glass round tube, package of 6
0770870100
AC adapter for SP870 spectrophotometer
