Omega Engineering CYD201 Manuel d'utilisateur Page 21

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OMEGA Model CYD201/CYD208 User’s Manual
Installation 2-9
2.8 INITIAL POWER UP SEQUENCE
The test sequence below occurs at power up.
1. All display segments light.
2. The unit displays “-201-” or “-208-”.
3. The instrument begins normal operation. Units currently selected flash.
Model CYD208s also indicate the current channel selected.
2.9 POWER UP ERRORS
On power up, the CYD201/CYD208 checks internal memory. If a problem
exists, an error message displays on the front panel of the instrument.
Er01
” indicates a hardware problem in the instrument memory. This error is
not user-correctable. First perform the procedure in Paragraph 5.3. If
unsuccessful, then call the factory.
Er02
” indicates a soft error in the instrument memory. To correct this error,
close dip switch 1 on the rear panel for at least 5 seconds, then open it.
Follow the calibration procedure described in Paragraph 5.3 after an error 2
reset.
OL
” indicates a voltage input overload. This can be caused by an open
sensor or diode sensor wired backwards.
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