The MPLAB PICkit Basic has two fixed color LEDs. The
Active LED is green and the Status LED is yellow. The expected start-up LED sequence for
the PICkit Basic debugger is steady on Green, yellow
off. The following tables describe the normal and error LED modes.
Table 9-1. 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. |
Table 9-2. Error LED Descriptions| Errors | Description |
|---|
| Status, on 3 seconds | Bootloader problem accessing the 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. |