Honeywell GENT COMPACT-MAINS-DAU Commissioning Instructions page 18

Commissioning instructions
Steady ON
Key:
Audible
indication
(Local
Visual
Buzzer)
Indications
Message Fault
amber
3 beeps
Fault
every 5s
amber
Microphone Fault
amber
3 beeps
Fault
every 5s
amber
Amplifier 1
or
amber
3 beeps
Amplifier 2
every 5s
+
amber
Fault
amber
Amplifier 1
or
amber
3 beeps
Amplifier 2
+ every 5s
amber
Fault
amber
Earth Fault
+
amber
3 beeps
Speaker Circuit 1
or
every 5s
amber
Speaker Circuit 2
+
amber
Fault
amber
Speaker Circuit 1
or
amber
3 beeps
Speaker Circuit 2
every 5s
amber
18
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Flashing
Meaning
Message Store Internal Fault
(Latching fault)
Local Microphone Coil / Amplifier /
Press to Talk (PTT) Fault
Amplifier Fault
(Latching fault)
Amplifier Over load Fault
Earth Fault
Speaker line Open Circuit (O/C) or
Short Circuit (S/C) Fault
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Possible action(s)
¨
Power Down the Mains Powered DAU
and then Power Up.
¨
If this fault indication reappears then
replace the Message Store Card.
¨
Carry out a 'Reset All Faults' action,
see page 20.
¨
If this fault indication reappears
following a number of resets then
firstly replace the 'Local Microphone'
and if the fault still persists then
replace the MCB.
¨
Check the 43V fuse on the PSU.
¨
Check the fuses FS1 and FS2 on the
MCB, which are associated with
Amplifiers 1 and 2 respectively.
¨
Disconnect both speaker circuits and
carry out a 'Reset All Faults' action,
see page 20.
¨
If fault is not raised then check the
speaker circuits for short circuit fault.
¨
If however this fault indication
reappears following a number of resets
then replace the Amplifier Board and if
the fault still persists then replace the
MCB.
¨
Disconnect the speaker circuits and
carry out a 'Reset All Faults' action,
see page 20.
¨
If fault is not raised then check the
speaker circuits for short circuit fault.
¨
If however this fault indication
reappears following a number of resets
then replace the Amplifier Broad and if
the fault still persists then replace the
MCB.
¨
Check the speaker circuits wiring and
rectify any earth short circuit fault.
¨
Check the speaker circuit wiring and
rectify the wiring fault.