User manual
  Error Messages and Troubleshooting 
  Error Messages  7 
7-7 
Table 7-1. Error Messages (cont.) 
Error Code  Error Message  Causes and Solutions 
Error 399  Error at step %s 
Cause: An error occurred at present calibrating step. 
Solution: Check next error message for specific solution. 
Error 400 
External CJC not 
configured 
Cause: A thermocouple channel is set to external CJC, but 
the channel that is used to measure external CJC 
temperature has not been configured. 
Solution: Configure the lowest module channel to PRT or 
Thermistor with temperature reading, it will be used as 
external CJC channel. 
Error 401 
Channel used as 
external CJC 
Cause: Configure is changed to the channel that is used to 
measure external CJC temperature. 
Solution: Turn off all thermocouple channels that are 
configured for external CJC first. 
Error 402  TC external reference 
channel 
Cause: Configure the lowest module channel as TC with 
external CJC. 
Solution: Check the parameter and make sure that the 
lowest module channel is not configured as TC with an 
external CJC. 
Error 403 
Parameter does not 
meet present config 
Cause: Parameter or command is not allowed for present 
configuration. For example: SENSe:NPLC 1 (@401) is 
received, but channel 401 is DIO. 
Solution: Check the parameter value and try again. 
Error 404 
Channel limit 
exceeded 
Cause: Too many channels in scan list (max. 178). 
Solution: Turn off some channels and try again. 
Error 405 
Channel used as 
alarm trigger 
Cause: A channel cannot be set to OFF while it is used as 
trigger channel for alarm test. 
Solution: Change the trigger channel setting or reconfigure 
the trigger source. 
Error 406 
Alarm channel not 
enabled 
Cause: The alarm channel selected to be the alarm trigger is 
set to OFF. 
Solution: Enable and configure the alarm channel then try 
again.  
Error 410 
Alarm channel not 
set 
Cause: A scan is started but the alarm trigger does not have 
an alarm channel assigned. 
Solution: Assign a channel as alarm trigger channel. 










