SATEC EM920 Operation Manual - Manual (Page 225)

Appendix H Device Diagnostic Codes
EM920 Power Quality and Revenue Meter 225
Appendix H Device Diagnostic Codes
Diagnostic
Code
Display Message Description Reason
2 RAM/Data fault RAM/Data error Hardware failure
3 Watchdog reset Hardware watchdog reset Hardware failure
4 Sampling fault DSP/Sampling fault Hardware failure
5 CPU exception CPU exception Hardware failure
6 Run-time error Run-time error Hardware failure
7 SW watchdog reset Software watchdog timeout Hardware failure
8 Power down Power down Loss of power
9 Device reset Warm restart/Device reset External restart via communications
or by firmware upgrade.
10 Configuration reset Configuration reset Corrupted setup data has been
replaced with the default
configuration.
11 RTC fault RTC fault The clock time has been lost. With
auto-reset: cleared automatically as
the clock is updated.
12 Configuration fault Configuration fault Factory, calibration or basic device
configuration data has been
corrupted.
13 Low battery Battery low Low lithium battery. With auto-reset.
Battery check or replacement is required.
14 Exp. memory fault Expanded memory fault Hardware failure
15 CPU EEPROM fault CPU EEPROM fault Hardware failure
18 Coprocessor fault Coprocessor fault Hardware failure
20 Library error C Library error Hardware failure
22 Task error Task error Hardware failure
24 IRIG-B No signal IRIG-B signal lost No IRIG-B signal from the GPS
master clock. With auto-reset:
cleared automatically when the
IRIG-B signal is detected.
25 IRIG-B Unlocked IRIG-B time unlocked The GPS master clock has lost the
satellite signal. With auto-reset:
cleared automatically when the
satellite signal is locked.
29 Motion/tilt sensor Motion/tilt sensor The meter has been moved or tilted.
See Device Diagnostics for more information on the EM920
built-in diagnostics. See Device Diagnostics Display in
Chapter 3 and Clearing Device Diagnostics in Chapter 6 on
how to inspect and clear the device diagnostics in your
meter.