ASL INTERCOM iPAM400 Product Manual page 97

Operational Fault Symptom Fault Description
No operational failure on
initial fault report. Loss of all
loudspeaker circuit
CPU reset
functionality on an entire
mainframe if subsequent fault
reports within one hour.
Loss of all loudspeaker circuit
functionality on entire CPU memory fault
mainframe.
Failure of AC mains
No operational failure
supply
Failure of battery
No operational failure
supply
No operational failure, or
Failure of
possible failure of the item
mainframe auxiliary
being powered from the faulty
output
mainframe auxiliary output
Loss of all loudspeaker circuit
Over temperature
functionality on entire
alarm
mainframe.
Comms fault
Loss of all loudspeaker circuit
between amplifier
functionality on entire
motherboard and
mainframe.
Controller
iPAM400 – Product Manual
Other Indication
Mainframe fault ASLPAVA.Vipet.
LED is turned ON AmplifierMainframe
Mainframe fault
ASLPAVA.Vipet. AmplifierMainframe
LED is turned ON
Mainframe fault
LED is turned ON if ASLPAVA.Vipet. AmplifierMainframe
DIP SW2 is ON
Mainframe fault
ASLPAVA.Vipet.
LED is turned ON if
AmplifierMainframe
DIP SW3 is ON
Mainframe fault
LED is turned ON if ASLPAVA.Vipet. AmplifierMainframe
DIP SW3 is ON
Mainframe fault
ASLPAVA.Vipet. AmplifierMainframe
LED is turned ON
Mainframe fault
ASLPAVA.Vipet. AmplifierMainframe
LED is turned ON
U-0629-0171.doc – Issue: 04 complete, approved
Page 97 of 138
JPC Item Path
M .UnexpectedAmpReset
M .ROMRAMFailure
M .MainsFailure
M .BatterySupplyFailure
M .AuxOutputFailure
M
.OverTemperature
M .CommsFailure
Suggested Action
• A one of occurrence may be
experienced due to EMI or
transients.
• No action required if the unit
resumed normal operation after
reset.
• Repeated occurrences indicate
faulty electronics.
• Replace iPAM400.
• Check mains wiring, mains fuse in
IEC inlet and front panel isolator
switch on specified mainframe.
• If all seems ok, there may be an
internal fault with the unit's power
supply, then replace iPAM400.
• Check DC wiring, rear panel DC
fuse and front panel isolator
switch on specified mainframe.
• Check rear panel AUX fuse on
mainframe.
• Check the ambient temperature in
the equipment room and
investigate amplifier loading and
drive conditions.
• Replace iPAM400.