8
Operating manual EE23 humidity / temperature sensor
3.3 Electronic Board for Model T5
T5 = remote probe up to 180 °C (356 °F)
1. Display
2. Status LEDs
3. Interface
Fig. 3
Electronics board model T5
1. Display:
Connectors for the optional display
2. Status LEDs:
Green LED
flashing --> Supply voltage applied / Microprocessor is active
Red LED
constantly lit --> Error category 1 = non-critical error, can be solved by the user
flashing --> Error category 2 = critical error, return the device for service
Blue LED
constantly lit --> analogue output is set to voltage.
Orange LED
constantly lit --> analogue output is set to current.
3. Interface:
USB-Interface for service use
