Watchdog errors could be due to:
l Transient voltage
l Incorrectly wired or malfunctioning sensor
l Poor ground connection on the power supply
l Numerous PortSet() instructions back-to-back with no delay
l High-speed serial data on multiple ports with very large data packets or bursts of data
The error "Results for Last Program Compiled: Warning: Watchdog Timer IpTask Triggered" can
result from:
l The IP communications on the datalogger got stuck, and the datalogger had to reboot
itself to recover. Or communications failures may cause the datalogger to reopen the IP
connections more than usual. Check your datalogger operating system version; recent
operating system versions have improved stability of IP communications.
If any of these are not the apparent cause, contact Campbell Scientific for assistance (see
https://www.campbellsci.eu/support). Causes that may require assistance include:
l Memory corruption
l Operating System problem
l Hardware problem
l IPcommunications problem
9.1.3 Results for last program compiled
Messages generated by the datalogger at program upload and as the program runs are reported
here. Warnings indicate that an expected feature may not work, but the program will still
operate. Errors indicate that the program cannot run. For more information, see CRBasic program
errors (p. 117).
9.1.4 Skipped scans
Skipped scans are caused when a program takes longer to process than the scan rate allows. If
any scan skips repeatedly, the datalogger program may need to be optimized or reduced. For
more information, see: How to Prevent Skipped Scans and a Sunburn.
9.1.5 Skipped records
Skipped records usually occur because a scan is skipped. They indicate that a record was not
stored to the data table when it should have been.
9. Tips and troubleshooting 114
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