Parker PCH1 T P Series, User Manual, Page: 20 / 107

Overview
20
2.6 Status LEDs/Bluetooth Enable Button
Status LEDs: The LEDs are used to indicate the status of Aux Power (AP), Logic Power (LP),
Bluetooth Module Status (BT), ERR Status, RUN Status, Device Status (DS), Link/Activity (L/A)
and Link/Activity (L/A).
Bluetooth Enable Button: Press and hold this button for more than 3 seconds to enable/disable
the Bluetooth functionality. The Bluetooth communication is used to connect to PCH Portal via
Bluetooth mobile application and PC Configuration Tool (refer to CHAPTER - 5). To connect using
PC Configuration Tool over Bluetooth, a low energy Bluetooth (BLE) USB Dongle must be
connected to a USB port of Windows PC.
Status LEDs/Bluetooth Enable button
The following table gives the status indication of the Aux Power, Logic Power, Bluetooth, Device and
Network ports:
PCH Device LED Indication
LED Label LED State Indication Description
RUN LED
(RUN)
OFF INIT State EtherCAT device in ‘INIT’-state (or no power)
Green Operational State EtherCAT device in ‘OPERATIONAL’-state
Green Blinking Preoperational State EtherCAT device in ‘PRE-OPERATIONAL’-state
Green Single Flash Safe Operational State EtherCAT device in ‘SAFE-OPERATIONAL’-state
Flickering
Boot EtherCAT device is in ‘BOOT’ state
Red Fatal Event
If RUN and ERR turn red, this indicates a fatal event, forcing
the bus interface to a physically passive state.
Error LED
(ERR)
OFF No Error No error (or no power)
Red Blinking Invalid Configuration State change received from master is not possible due to
invalid register or object settings.
Red Single Flash Unsolicited State
Change
Slave device application has changed the EtherCAT state
autonomously.
Red Network Failure Exception state
Flickering Booting Error detected Due to firmware download failure