Troubleshooting - Bosch INTEGRUS Installation And Operating Manual

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6 Troubleshooting

In this chapter a simple fault-finding guide is given. This is intended to be used to remedy the consequences of incorrect
installation. If more serious faults or problems arise the installer should contact a qualified technician.
Problem
Transmitter display does not light up:
Transmitter indicates "no radiators":
Transmitter indicates "radiator fault":
Transmitter does not synchronise
automatically to the maximum number of
channels in DCN:
Emergency contact does not work:
Red LED flashes and amber LED is on of
one or both IRED panels of a radiator:
Both red LED and amber LED are on of
one or both IRED panels of a radiator:
Infra red receiver fails to function properly:
The charging indicator LED on the receiver
is blinking:
Receiver discharges very quickly:
Bad coverage:
BOSCH Security Systems B.V.| February 2003
INTEGRUS | Digital Infra-red Language Distribution System
Actions
N
Check that the mains supply to the transmitter is connected and
that the transmitter is switched on.
N
Ensure that connections to all radiators have been made correctly
and that each radiator's mains supply is connected and switched on.
N
Ensure that connections to all radiators have been made correctly
and that each radiator's mains supply is connected and switched on.
N
Examine the radiator LEDs.
N
Ensure that the number of channels is set to automatic (using
menu item 4B).
N
Check whether a DCN interface module of version 01.05 or higher
is used.
N
Check that the emergency contact is connected correctly.
N
Check that the auxiliary input mode is set to 'Mono + Emergency'
(using menu item 4H).
N
IRED panel is in temperature protection mode. Check that the
natural airflow around that radiator is not obstructed. If not so,
replace the radiator.
N
IRED panel malfunctions and the radiator should be replaced.
N
If disposable batteries are used, check whether the batteries have
sufficient capacity and whether they are inserted with the correct
polarity.
N
If a battery pack is used, ensure that the battery pack is fully
charged.
N
Ensure that the headphone is connected properly.
N
Switch the receiver on and check whether the display indicates a
channel.
N
Ensure that the receiver picks up sufficient IR signal and check
whether the antenna symbol becomes visible.
N
Check the receiver by holding it in front of the mini radiator of the
transmitter.
N
Ensure that the volume control is turned up.
N
Set the transmitter in test mode and check whether the test tone is
audible on the receiver.
N
If the test tone is not audible, do the same test with other receivers.
If all receivers do not work properly at that spot, check the
coverage of the system (see section 1.6).
N
Check that the charging unit is used under the specified working
conditions (see technical data).
N
Check that the receiver contains a battery pack which is connected
correctly.
N
Ensure that the receiver is at room temperature and re-insert the
receiver in the charging unit.
N
If the charging indicator starts blinking again, replace the battery
pack and check whether the problem is resolved.
N
Replace the battery pack and check whether the problem is
resolved.
N
Do the tests as described in section 1.6.