Precision Digital PD554 - Manual (Page 43)

6. Error Display and Correction
Error Message Action Needed
E.SYS Needs Repair
E.RJC Needs Repair
SP Decimal
Flashing
Check Comm Cable
S.OPN Check Sensor
E.AT Check Process
Error Incident
EEPROM, DATA Loss
RJC SENSOR Failure
Communication Failure
Open Sensor Detected
Auto-Tune Timed Out (Over 24 Hours)
PD550 Series Nova Programmable Process and Temperature Controller Instruction Manual
43