Instruction Manual

Appendix G Device Diagnostic Codes
158 PowerSmart+ Power Quality Meter
Appendix G Device Diagnostic Codes
Table 28: Device Diagnostic Codes
Diagnostic
Display
Diagnostic
Message
Description Reason
RAM/DATA fault RAM/DATA Fault Memory/Data fault Hardware failure
HW watchdog
reset
HW Watchdog
Reset
Hardware watchdog
reset
Hardware failure
CPU exception CPU Exception CPU exception Hardware failure
Run-time error Run-time Error Run-time software
error
Hardware failure
SW watchdog
reset
SW Watchdog
Reset
Software watchdog
timeout
Hardware failure
Power down/Up Power Down Power Down/Up Normal power-up sequence
External restart Device Reset Warm restart External restart via
communications or by
firmware upgrade
Configuration
reset
Configuration
Reset
Configuration reset Corrupted setup data has
been replaced with the
default configuration
RTC fault RTC Fault RTC fault The clock time has been lost
EEPROM fault EEPROM Fault EEPROM fault Hardware failure
See Diagnostics Display in Chapter 3 for more information on the
PowerSmart+ PQM built-in diagnostics.