Ametek Land 4200, Руководство пользователя

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Page 37
User Guide Model 4200 Dust & Opacity Monitor
12 Troubleshooting
12.1 Error Codes
Only a limited number of possible errors can be detected by the microprocessor
system in the transmissometer and they are displayed as an error code.
e.g.
ER 15
This signifies a serious malfunction of the system. Contact Land Instruments
International for advice and service.
Error identification table
Identification
Number
Fault Plus Plus Plus
1 M LED Failure
2 F LED Failure
3 M LED Failure F LED Failure
4 ADC Overrange
5 M LED Failure ADC Overrange
6 F LED Failure ADC Overrange
7 M LED Failure F LED Failure ADC Overrange
8 Checksum Error
9 Checksum Error M LED Failure
10 Checksum Error F LED Failure
11 Checksum Error M LED Failure F LED Failure
12 Checksum Error ADC Overrange
13 Checksum Error ADC Overrange
14 Checksum Error ADC Overrange F LED Failure
15 Checksum Error ADC Overrange F LED Failure
12.2 Flashing Decimal Points
On normal operating display, indicate opacity or dust readings out of the
instrument operating range.