Ecograph T, RSG35 Diagnostics and troubleshooting
Endress+Hauser 51
11.3 Diagnostic information on the local display
The diagnostic message consists of a diagnostic code and a message text.
The diagnostic code consists of the error category as per Namur NE 107 and the message
number.
Error category (letter in front of the message number)
• F = Failure. A malfunction has been detected.
The measured value of the affected channel is no longer reliable. The cause of the
malfunction is to be found in the measuring point. Any control system connected should
be set to manual mode. An alarm relay can be assigned to this error category in the
Advanced setup.
• M = Maintenance required. Action must be taken as soon as possible.
The device still measures correctly. Immediate measures are not necessary. However,
proper maintenance efforts would prevent a possible malfunction in the future.
• S = Out of specification. The measuring point is being operated outside specifications.
Operation is still possible. However, you run the risk of increased wear, shorter operating
life or lower measurement accuracy. The cause of the problem is to be found outside the
measuring point.
• C = Function check. The device is in Service mode.
Diagnostic
code
Message text Description Remedy
F100 Sensor/input error Sensor/input error Check connections and parameters
F101 Open circuit Cable open circuit Check connections
F105 Invalid value! Measured value is invalid (when calculating -->
NAN)
Check connections and process variables
F201 Device fault Device error Contact the Service Department
F261 Error: RAM No access to RAM Contact the Service Department
F261 Error: Flash No access to flash Contact the Service Department
F261 Error: SRAM No access to SRAM Contact the Service Department
F261 Analog card x out of order! Hardware defect detected Contact the Service Department, replace card
F261 Power supply out of order! Hardware defect detected Contact the Service Department, replace power unit
M284 Firmware update Firmware has been updated No action required. Message can be acknowledged
F301 Error: Cannot load setup Setup defective Switch the device off and then on again, re-configure,
contact the Service Department if necessary
M302 Setup restored from backup Setup has been loaded from backup Check setup
F303 Error: Device data Device data defective Contact the Service Department
M304 Backup: Device data Device data defective. However it was possible
to continue working with the backup data
Check settings (e.g. serial number)
F307 Error: Customer preset
value defective
Customer preset value defective
F309 Error: Date/time is not set Invalid date/time (e.g. internal battery is empty) Device was switched off too long. The date/time must
be set again. Battery might need to be replaced
(contact the Service Department)
F310 Error: Cannot save setup The setup could not be saved Contact the Service Department
F311 Error: Device data The device data could not be saved Contact the Service Department
F312 Error: Calibration data
defective
The calibration data could not be saved Contact the Service Department
F312 Analog card x is not
calibrated!
Analog card x is not calibrated! The device
works with default values, i.e. the measured
values could possibly be inaccurate under
certain circumstances
Contact the Service Department
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