This is not a complete list. It includes some of the most commonly seen error codes on the meters. If you encounter an error that is not listed, call for support.

E001 -- Main PIC RAM failed

E002 -- Main PIC watchdog timer expired

E004 -- Alarm PIC EEPROM checksum error

E008 -- Main PIC program memory checksum error

E016 -- Main PIC hit the flying paper

E032 -- Real time clock failed

E064 -- External ADC failed

E128 -- External Flash Memory failed