Teledyne 200AH 用户手册

 

BLOCK TEMP WARNING 

The sample flow orifice is located in a separate temperature 
controlled block near the rear of the instrument. This message is 
most often present during warm-up. It can also occur if heater is 
not plugged in, or if thermistor has fallen out of block. 

DCPS WARNING 

DCPS is out of specification 2500 mV 

 200 mV. Check each 

OZONE GEN OFF 

Ozone generator is turned off. See Table 9-11 for conditions. 

CANNOT DYN ZERO 

Dynamic zero cal. out of spec. The reading of the PMT was too 
high for the ZERO button to appear. Make sure the instrument 
is receiving zero gas. Check for dirty reaction cell. Do the 
factory calibration procedure located in Section 9.1.6. 

CANNOT DYN SPAN 

Dynamic span cal. out of spec. The reading of the PMT was too 
high or low for the SPAN button to appear. Make sure the 
instrument is receiving correct concentration span gas. Make 
sure the expected span concentration is entered. Check for dirty 
reaction cell. Do the factory calibration procedure located in 
Section 9.1.6. 

A/D NOT INSTALLED 

V/F board has failed. The V/F board did not respond to 
commands from the CPU. This probably means 1. Board not 
seated in socket, 2. defective board, 3. defective back plane 
connector. 

Diagnostic mode can be looked at as a tool kit of diagnostics to help troubleshoot the instrument. 

To enter DIAG mode press: 

SETUP-MORE-DIAG 

The diagnostic modes are summarized in Table 9-3. To access these functions, after you have 
pressed SETUP-MORE-DIAG, then press NEXT, PREV to select the desired mode, then press 
ENTR to select the desired mode. This section is a detailed description of the test and 
suggestions for its use.