Bosch Appliances V1.0 operation manual Call station’s microphone

PLENA matrixTroubleshooting en 43

Problem	Possible cause		Possible solution
Wall Control Panel volume	– The LEDs only indicate		– Be assured the unit is
control takes two button		+/-6dB steps. The up	not faulty or broken. The
presses to increase the LED		down arrows increase/	unit will be affecting the
indicator.		decrease the volume in	audio at 3dB every time
		3dB steps.	you press the button.
			You should listen to
			audio through the PA
			system to confirm that
			this is the case.
Call station’s microphone	–	Multiple call stations	– Change call stations to
becomes active without the		have been set with the	have different IDs.
user touching the PTT button.		same ID.
Call stations / Wall Control	– The DSP matrix mixer is		– Check that all cables in
Panels do not work. Lights		not able to configure the	the cable run are using
continue to flash around.		unit.	the correct CAT‑5 pin
			configuration (no
			crossover cables).
			– Check if a cable has
			been damaged in the
			daisy‑chain.
The call station is activated	– Unit has just been turned		– Wait 15 seconds, until
but, announcement did not		on.	unit has been identified
come through the system.			by the DSP matrix mixer
	– A chime has been		before attempting to use
		programmed to play	it.
		before any	– Wait for LEDs to turn
		announcement.	green on the call station
	–	The announcement level	before talking or
		is not at a sufficient level	deactivate the chime via
		for the selected zone.	the GUI.
	– The user is not speaking		– Within the GUI check
		loudly enough towards	that all call station levels
		the microphone.	are set to appropriately
			and the mute is not
			activated.
			– Speak slowly and clearly
			towards the microphone.
Rack units are not found in	–	Ethernet cables have	– Check all unit are
target search.		been disconnected.	connected to power,
	– Unit(s) and/or router are		check cabling is correctly
		not on.	connected, check that
	– PC is not connected to		the PC is connected to
		network.	the network.

Bosch Security Systems B.V. Operation manual 2013-06 V1.0