ComBricks User Manual v6.4.0 | January 18| © PROCENTEC 136/219
13.2 Status LEDs
The PND-001 module has four diagnostic LEDs. These LEDs indicate whether the module is functioning
properly.
13.2.1 RDY LED
The RDY LED indicates power supply and connection with the Head Station. Also a firmware update is indicated
with this LED.
No power supply, or PND-001 module is faulty.
There is no voltage at the module, or the module has a hardware defect.
Remedy: Connect the 24 V DC supply voltage at the Head station.
The PND-001 module is connecting with the Head Station. This state is allowed for a
short time (max 1 minute).
A backplane firmware update of the PND-001 module is executed by the Head
Station (max 1 minute).
The connection with the Head Station is established.