User's Manual

TigoMaster 2TH User Manual
Page 31 of 36
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Copyright © 2020 CoreTigo Ltd.
5. Diagnosis
5.1 Diagnosis via LEDs
5.1.1 System LED
The system status LED SYS can assume the states described below.
LED
Color
State
Description
SYS
Duo-LED: yellow RDY / green RUN
green)
On
The firmware is running.
(green)
Blinking
During the formatting of the file system
(yellow)
On
A system error has occurred.
(yellow)/
(green)
Blinking,
3x yellow,
3x green
Firmware crash, unrecoverable (an internal exception occurred that cannot
be handled)
(yellow)/
(green)
Blinking,
1 Hz, 4 Hz
• 1 Hz: The Maintenance Firmware is idle (waiting for update).
• 4 Hz: The Maintenance Firmware is in operation: Firmware update will
be installed.
(gray)
Off
• No supply voltage: No supply voltage for the device or hardware
defect.
• During a firmware reset
Table 40: States of the SYS-LED
LED state
Blinking
The display turns on and off in phases.
Blinking,
3x yellow,
3x green
The indicator turns on and off with a frequency of approx. 1 Hz:
• 3x yellow "On" for 500 ms and "Off" for 500 ms and
• 3x green "On" for 500 ms and "Off" for 500 ms
Blinking,
yellow/green,
1 Hz, 4 Hz
The indicator turns on in phases yellow or green, with a frequency of approx.:
• 1 Hz: 1 x yellow "On" for 500 ms and 1 x green "On" for 500 ms
• 4 Hz: 1 x yellow "On" for 125 ms and 1 x green "On" for 125 ms
Table 41: Definitions of the states of the system status LED SYS