Diagnosis

Diagnosis

In the device tree, double-click the desired option board.
Select the “Diagnosis” tab to view the diagnosis messages of the desired option board.

Diagnosis_TA5122-2AI-TC

The following table shows the diagnosis messages.

Option board error:

Table 70: Module error
Device	Severity	Error code	Description
Device	Severity	Error code	Error Message	Remedy
TA5122-2AI-TC	3	3	Diag timeout	If the process voltage is connected properly, replace the option board.
TA5122-2AI-TC	3	51	Invalid slot	Check the configuration and the hardware setup.
TA5122-2AI-TC	3	52	Module does not answer	Check the configuration.
TA5122-2AI-TC	3	40	SW-mismatch	Replace the option board.
TA5122-2AI-TC	3	53	Download failed	Replace the option board.¹⁾
TA5122-2AI-TC	3	9	Overflow diagnosis buffer	Diagnosis overflow usually means too many repeated warnings or errors. Check all diagnosis in detail and take the appropriate action. A restart will clear the diagnosis.
TA5122-2AI-TC	3	26	Configuration error	Check configuration and correct errors.
TA5122-2AI-TC	3	19	Eeprom CRC error	Replace I/O module.

Table 71: Channel error
Device	Severity	Error code	Description
Device	Severity	Error code	Error Message	Remedy
TA5122-2AI-TC	4	1	ColdJunction Temperature Error	Check the temperature compensation channel.
TA5122-2AI-TC	4	2	Wrong measurement; CommonMode Voltage is too high	Check channel wiring and sensor power supply.
TA5122-2AI-TC	4	7	Measurement underflow at the module	Check the input value.
TA5122-2AI-TC	4	48	Overload or cut wire	Check the input value and the wiring.

Remarks:

¹⁾	Do not remove the power supply from the option board during the firmware update.