MPLAB® Snap LEDs

The MPLAB® Snap In-Circuit Debugger/Programmer has two fixed color LEDs. The Active LED is green and the Status LED is yellow. The expected start-up LED sequence for the MPLAB Snap debugger is:
Green - steady on; Yellow - off. The debugger is ready.

The LEDs have the following significance.

Table 1: Normal Modes LED Descriptions

LED Color Description
Active, on Green Power is connected; debugger in standby.
Status, on (or pulsing activity) Yellow Debugger is busy; activity during an operation.

The following table provides LED descriptions for errors.

Table 2: Error LED Descriptions

Errors Description
Status, on 3 seconds Bootloader problem accessing he serial EEPROM.
Status, on 10 seconds API commands cannot be processed by the Bootloader.
Active and Status, fast blink (alternating) A runtime exception occurred in the tool firmware.
Active and Status, fast blink (in tandem) A runtime exception occurred in the Bootloader.
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