Instructions
UM-0085-B09  DT80 Range User Manual  Page 398 
RG 
  Error Number – Description 
•  Cause/Action 
Error Category 
Syntax  Operation  Memory  Reading  Hardware 
  E37 – No current job 
•  A command was entered that operates on the current 
job, but there is no job currently loaded. 
 
  E39 – Channel list fixed /F 
•  Changes to program are not allowed 
 
  E42 – USB device not ready 
•  No USB memory device inserted 
•  DT80 has not yet read the required system information 
from the device (wait a few seconds) 
•  USB device is faulty or not a memory device 
 
 
  E49 – Job has logged data/alarms 
•  A job that has logged data cannot be deleted. Delete 
the data first. 
 
  E50 – Job locked 
•  A job that has been locked cannot be modified 
 
  E51 – ALARM/IF command error 
•  Setpoint character <, >, <> or >< missing 
•  AND, OR, XOR incorrectly entered 
•  Setpoint not specified or too large 
•  Delay incorrectly specified 
 
  E52 – Text memory full 
•  Memory for storage of alarm and expression text is full 
 
  E54 – Expression error 
•  Syntax error 
•  Expression too complex 
 
  E65 – ALARM undefined 
•  Alarm n does not exist 
 
  E74 – Serial sensor CTS detect timeout 
•  Serial sensor: CTS did not go to the required state 
within timeout period 
 
  E75 – Serial sensor transmit timeout 
•  Serial sensor was not able to transmit (e.g. due to flow 
control state) within the timeout period 
 
  E80 – Serial device not responding 
•  no response received from SDI-12 sensor 
•  check cabling and sensor address 
   
  E81 – Serial device invalid response 
•  garbled response received from SDI-12 sensor 
•  check for address conflict 
•  check for electrical noise 
   
  E82 – Serial device data not available 
•  SDI-12 sensor doesn't support the requested 
measurement 
•  sensor doesn't support continuous mode 
 
  E89 – Serial sensor receive timeout 
•  Serial sensor: expected characters were not received 
within timeout period 
 
  E90 – Serial sensor scan error 
•  Serial sensor: could not convert the received text as 
specified in the control string 
 
  E101 – Undefined reference: name 
•  No channel was found with the specified name 
 
  E102 – Storefile record size too large 
•  There are too many logged channels in the schedule 
 
  E103 – Invalid storefile: filename 
•  The indicated storefile appears to be corrupted 
 
  E104 – Drive format failed 
•  Unable to format the specified drive. It may be write-
protected or damaged. 
 
 










