Diagnostics And Troubleshooting; Meaning Of The Led States; Meaning Of The Device Status - Siemens SIMATIC IOT2000 SG-Shield Operating Instructions Manual

Diagnostics and troubleshooting

8.1

Meaning of the LED states

LED state
LC LED off.
LC LED lit red.
LC LED lit green.
PWR LED lit green.
ERR LED lit red.
8.2

Meaning of the device status

Device sta‐ Error
tus
Bit 0 QI flag
Bit 1 Load cell input faulty
Bit 2 Checksum error
Bit 3 Checksum error (data)
Bit 4 Watchdog error
Bit 5 ADC error
Bit 6 Temperature warning
Bit 7 Firmware update error
SIMATIC IOT2000 SG-Shield
Operating Instructions, 08/2021, A5E50985404-AA
Error Causes and remedies
Load cell channel not
active.
Channel alarm Compare with the specifications of the parameter Load cell input status
(Page 21).
Channel active and
no error.
Status supply availa‐
ble / data set ready
SG-Shield error Compare with the specifications of the parameter Device status (Page 21).
Causes and remedies
Group message, 0 = There is at least one error; 1 = No error
There is an error in the load cell input status.
• For details, check the load cell input status.
Checksum error program code. Critical error because the program is no longer
safe.
Checksum error at parameter. Critical error because the parameters are no
longer safe.
Watchdog, error is displayed for at least 10 seconds.
A serious error has occurred in the function of the electronic weighing system,
for example, a program error or severe electromagnetic influence on device
electronics.
• Contact SIWAREX Support if the error occurs multiple times.
AD converter error when reading in the measured value.
• If the error occurs again, make sure that the EMC recommendations are
observed.
Electronics temperature is outside the permissible ambient temperature.
• Check the permissible ambient temperature in the section: Technical data
(Page 29).
It was not possible to update the firmware. Try again.
• Contact SIWAREX Support if the error occurs multiple times.
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