• ZS300 Sensor User Guide
LED Blink Patterns
LED Blink Patterns

LED Blink Patterns

The ZS300 Sensor features an LED indicator in red, green, and yellow colors, the patterns of which are detailed below.
LED Blink Patterns
LED to Check Status (Short Press)
Flash Type
No Task Programmed
Delayed Task
Task Started
OK
Slow
Issue with Sensor (Alarm, Reached Reading Limit)
Slow
N/A
N/A
Sensor Programmed with a Task (via Bluetooth)
Flash Type
No Task Programmed
Delayed Task
Task Started
OK
Fast
N/A
Change State (Long Press)
Flash Type
Wake Up
Delayed Task
Start Delayed Task
OK
Fast
N/A
  • Green, fast blinking LED: Task started; sensor recording.
  • Green, slow blinking LED: Sensor is awake; task started.
  • Yellow, fast blinking LED: Sensor is awake; not running a task.
  • Yellow, slow blinking LED: No task programmed.
  • Green and Yellow slow/fast blinking: Delayed task; sensor has received the task, but the start of recording is delayed.
  • Red slow blinking: Sensor has alarm state.
The sensor enters Cold Mode 2 when the temperature falls below -25°C (-13°F). The user will be unable to change the sensor state (for example, start task, stop task, etc.) when the sensor is below -25°C (-13°F).