Maintenance Guide Part 1

NeTIS MAINTENANCE GUIDE – Version 1.1 18/139
(frequency change) - it is therefore strongly recommended to disconnect the base station from
the antenna and to reconnect it to a load before any tests.
2.6.1 G ENERAL POWER FAULTS
No indicators on
Check the general fuse located to the rear on the main power input block
Check that there is 220V
Check the position of the switch located on the rear face
If everything is correct:
Unplug the power supply module
Disconnect the auxiliary mains supply cable from the module
Check for 220V on this disconnected connector
If everything is correct: the power supply module is out of order
Otherwise the internal mains wiring or the switch or the mains filter are
defective
Only the 220v indicator is on, on the power supply module:
Unplug the power supply module
Power off and on again
If the indicators turn on again there is either a short circuit on a power supply, or all the
circuits were put on stand-by following a general power surge
One or mode indicators on the power supply module are off:
Turn off the TBS11
Wait for a few seconds
Turn the appliance back on
If the indicators are back on:
It indicates a power overload which caused the corresponding power supply
circuit to go into safety mode
Check consumption
If the fault persists,
Turn the appliance off and unplug all the modules using the defective voltage;
Turn the appliance back on
If the fault persists,
The power supply module is defective
If the fault disappears,
Plug the removed modules back in, one by one (turning power off each
time) to isolate the defective module