MPLAB PICkit 4 Help

Indicator Light Strip

The expected start-up sequence for the MPLAB PICkit 4 debugger is:

1.	Purple - steady on for approximately 4 seconds

2.	Blue - steady on. The debugger is ready.

 

The indicator light strip has the following significance.

Table: Typical Light Strip Descriptions

Color	Description
Blue	Power is connected; debugger in standby.
Orange	Power target circuit from PICkit 4 checked
Green	Power target circuit from PICkit 4 unchecked
Red	Lit when the debugger has failed.

 

The following tables provide descriptions of the indicator lights and bootloader errors.

Table: Additional Light Strip Descriptions

Light Strip	Description
Normal Modes
Blue	Power is connected; debugger in standby
Orange	Power target circuit from PICkit 4 checked (Table: Power Option Category)
Green	Power target circuit from PICkit 4 unchecked (Table: Power Option Category)
Purple	Bootloader is running
Yellow	Debugger is busy
Red	An operation has failed
Purple	Fast blink indicates the time window for forcing the debugger into Bootloader mode

Table: Bootloader Error Descriptions

Bootloader Errors	Description
Red, slow blink	Problem accessing the debugger’s serial EEPROM
Red, fast blink	Bootloader API commands cannot be processed
White, fast blink	A runtime exception occurred in the tool firmware

Microchip Support Help Updated: 2019-09-24 09:36:23Z Help Page: 73