Chapter 5 Data Display
40
Frequent failures may be the result of excessive electrical noise in
the region of the instrument. If the instrument continuously resets
itself, contact your local distributor.
Table 5-3 Self-Test Diagnostic Codes
Code Meaning
1 ROM error
2 RAM error
3 Watch dog timer reset
4 Sampling failure
5 Out of control trap
7 Timing failure
8 Normal power up
9 External reset (warm restart)
NOTE
The PM130 provides a self-check alarm register accessible through
communications that indicates possible problems with instrument
hardware or setup configuration. The hardware problems are indicated
by the appropriate bits which are set whenever the instrument fails self-
test diagnostics or in the event of loss of power. The setup
problems are
indicated by the dedicated bit which is set when either configuration
register is corrupted. In this event, your instrument will use the default
configuration. For more information on the self-check alarm register, refer
to the communications reference guides provided with your instrument.
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