ASL INTERCOM RRM02 - Page 53

RRM02 - Product Manual
Issue: 02 complete, approved
Page 53 of 68
Table 9 RRM02 Faults – DAU, ACU, VAR8, and VAR8-ACU
Operational Fault
Symptom
Fault
Description
Fault(s) Reported at
DAU/ACU/
VAR8/VAR8-ACU
Suggested Action
Total loss of live audio
announcement from a
single microphone,
though the microphone
still appears to be
functional.
Input audio
surveillance
IPXX AUDIO INPUT
XX=01 to 08
• Check audio cabling or power supply
cabling between microphone and
Router.
• Replace microphone console.
• Replace Router.
Total loss of all
functionality on a single
microphone.
Mic comms fault MIC<n> MIC COMMS
n=01 to 08
• Check data cabling or power supply
cabling between microphone and
Router.
• Replace microphone console.
• Replace Router.
No operational failure on
initial fault report. Total
loss of all functionality on
a single microphone if
subsequent fault reports
within one hour.
Mic CPU reset MIC<n> MIC COMMS
n=01 to 08
• A one-off occurrence may be
experienced due to EMI or transients.
• Repeated occurrences indicate faulty
microphone electronics, so replace
microphone console.
Total loss of all
functionality on a single
microphone.
Mic RAM error MIC<n> FAULT 09
n=01 to 08
(Mic Processor stops)
• A one-off occurrence may be
experienced due to EMI or transients.
• Repeated occurrences indicate faulty
microphone electronics, so replace
microphone console.
Total loss of all
functionality on a single
microphone.
Mic ROM error MIC<n> FAULT 09
n=01 to 08
(Mic Processor stops)
• Replace microphone console.