OPTO 22 SNAP-PAC-R1 User Manual page 53

2. Press and hold down the R
To perform this kind of reset...
Simple reset
Restore the factory default
settings.
CAUTION: Do not hold the RESET button too long. If you hold it down longer than five seconds, the
controller will enter hardware test mode, which is indicated by the STAT LED blinking orange, rapidly and
continuously. Hardware test mode erases all files in RAM and flash memory and resets the IP address. If
your controller restarts in hardware test mode, cycle power to restore the factory default settings. The result
will be same as using the R
ESET
If you hold down the R button less than five seconds but longer than the time needed to restore the
ESET
factory default settings, the controller will restart in failsafe bootloader mode. This mode is indicated by
the STAT LED: in loader versions older than 5.1c, it blinks green 7 times quickly; in loader 5.1c and newer,
it blinks red/green continuously. Failsafe bootloader mode is a diagnostic mode that you don't need to
access unless you are troubleshooting a problem with Opto 22 Product Support. If your controller restarts
in failsafe bootloader mode, simply cycle power to the device. This performs the simple reset described
above and leaves the controller ready to load a new strategy.
CHAPTER 4: MAINTENANCE AND TROUBLESHOOTING
button as described below.
ESET
...do this...
Quickly press and release the
R button.
ESET
OR
Cycle power to the controller.
OR
Use PAC Manager to send the
controller the "Restart from Pow-
erup" command.
Press and hold the R button
ESET
until the STAT LED turns solid
green, and then immediately
release the button.
button to restore the factory default settings (see table above).
SNAP PAC R-Series Controller User's Guide
Result
The controller restarts.
Any files, strategy, and archived strat-
egy in RAM are erased. If these items
have been stored to flash memory,
they will not be erased.
The controller restarts.
Any files, strategy, archived strategy,
and persistent variables in RAM and
flash memory are erased.
If a microSD card is present and con-
tains configuration, firmware, and/or
strategy files, these files are saved to
flash memory. Data files are not
affected.
IP addresses are reset to 0.0.0.0 and
subnet masks to 255.255.255.0.
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