ASL INTERCOM VAR4 - Fault Codes and Suggested Actions

VAR4 / VAR12 / VAR20 - Operation Manual
Is
Page 286 of 308
sue: 03 complete, approved
20.5 Fault Codes and Suggested Actions
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In general numeric fault codes cannot be fixed on site and the unit will require returning to the
factory.
Table 1 VAR Router Faults 6
Fault Description
Fault Code(s)
Reported and Logged
Suggested Action
VAR Router reset VARNN/X CPU RESET
NN=01 to 30 (VAR ID)
X=1=Base unit board
2=Expansion board 1 (VAR12)
3=Expansion board 2 (VAR20)
A one of occurrence may be experienced due to EMI
or transients. Repeated occurrences indicate faulty
electronics.
Power supply fault VARNN POWER
NN=01 to 30 (VAR ID)
Check power supply.
Auxiliary fuse VARNN AUX FUSE
NN=01 to 30 (VAR ID)
Check auxiliary fuse.
Over temperature alarm VARNN OVER TEMPERATURE
NN=01 to 30 (VAR ID)
Check the ambient temperature in the equipment
room.
EEPROM failure VARNN/X NON-VOL MEMORY
NN=01 to 30 (VAR ID)
X=1=Base unit board
2=Expansion board 1 (VAR12)
3=Expansion board 2 (VAR20)
VAR Router will need replacing.
Host comms fault VARNN HOST COMMS
NN=01 to 30 (VAR ID)
Check Host and connection between Host and VAR
Router.
NN=01 to 30 (VAR ID)
XX=01 to 10
Analogue fire panel
contact fault
VARNN/CINXX SHORT/OPEN
Check wiring between remote contact and Router.
‘Learn’ function not
performed following a
power cycle or a fault
clearance
LEARN NOT DONE Perform ‘Learn’ function to detect connected amplifier
mainframes.
DSP version
compatibility error
DSP INCOMPATIBLE DSP software version is not compatible with
Microcontroller (CP) software version; typically the
DSP version does not support the required Induction
Loop.
DSP software will need update.
Internal fuse VARNN/1 FAULT-01
NN=01 to 30 (VAR ID)
Check internal fuse.
DSP failures VARNN/X FAULT-02
NN=01 to 30 (VAR ID)
X=1=Base unit board
2=Expansion board 1 (VAR12)
3=Expansion board 2 (VAR20)
VAR Router will need replacing.