Appendix F Device Diagnostic Codes
Diagnostic
Code
Description Reason
2 Memory/Data fault Hardware failure
3 Hardware watchdog reset Hardware failure
5 CPU exception Hardware failure
6 Run-time software error Hardware failure
7 Software watchdog
timeout
Hardware failure
8 Power Down/Up Normal power-up sequence
9 Warm restart External restart via communications or
by firmware upgrade
10 Configuration reset Corrupted setup data has been
replaced with the default configuration
11 RTC fault The clock time has been lost
13 Low battery Battery replacement is required. With
auto-reset.
15 EEPROM fault Hardware failure
See Device Diagnostics
in Chapter 4 for more information on the PM172
built-in diagnostics.
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