Troubleshooting – Hardware
Problem or maloperation in…
Problem Description
Corrective Action
Failure of the display
After selecting any key, the whole display
remains dark or the display is defective.
Check the following issues:
•
Is the supply voltage connected? This is the case
when the System-LED is illuminated
•
Is the environmental temperature within the
allowed range?
•
Try to adjust the contrast of the display by using
Smart view (increase/ decrease).
If these checks do not show any results, send the relay
back to the manufacturer.
Failure of a binary output
(Also refer to: ”Binary outputs do not react“)
The physical status does not match the reported
state. Check the reported state of the binary
output with the HMI or Smart view.
Check the following issues:
•
Is the binary output in the latched state?
Acknowledge the state if necessary.
•
Is <Inverting> parameter of the binary output set?
•
Check the wiring.
•
Plug off the wiring from the binary output and
measure its output. Set the state of the binary
output by using the test functions Force/Disarm.
If these checks do not show any results, send the relay
back to the manufacturer.
Failure of a digital input
The physical status of a digital input does not
match its reported state. Check the reported
Check the following issues:
•
Is the configured voltage level set correctly?
HighPROTEC Troubleshooting Guide DOK-HB-TSE Rev. B
8
