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Section 6
Maintenance, Test and Troubleshooting
6.1
Maintenance Procedures
In cleaning the body of this instrument, use only a mild soap and water
solution on a damp cloth.
CAUTION
Do not use acetone or other organic solvents (other than alcohol) on the
Model 2835-C Multi-Function Optical Meter. Organic solvents attack the
paint.
6.2
Power Up Self Test
The Model 2835-C executes a system self test after every power up or reset
and indicates on the display whether the self test has been passed. If the self
test is not passed the display will indicate one of the following error messages:
“CAL MODULE A” “MISSING OR BAD”
“CAL MODULE B” “MISSING OR BAD”
“CAL MODULE A” “CHECKSUM ERROR”
“CAL MODULE B” “CHECKSUM ERROR”
“REGISTER ERR A”
“REGISTER ERR B”
“INTG A/D ERR A”
“INTG A/D ERR B”
“SA A/D ERR A”
“SA A/D ERR B”
If the calibration module messages appear, check to see that the module is
properly inserted.
Should any other message appear, call Newport Corporation’s Customer
Service Department.
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