62-61753-21     
59  DATALOGGER (DATACORDER) NOT RECORDING 
  TRIGGER-ON: No data is being recorded by the data recorder. 
  UNIT CONTROL: Engine and standby operation: alarm only. 
  RESET CONDITION: Alarm may be manually reset via keypad. 
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the 
alarm(s). (Refer to Note 1 Page 7-1) Operate the unit through the appropriate modes to see if any active alarm 
occurs. Continue with the steps below as necessary. 
a. Clear Active Alarm(s). 
b. Check for Active Alarm reoccur-
ring. 
If Inactive, download all data & retain. 
If Active, go to next step. 
a. Replace microprocessor