Fault
Fault Description
No.
Intercom siignal does not
function.
One station only.
31
Intercom signal call does not
function.
More than one station
Any station.
Fault
Fault Description
No.
Page call does not function.
One station.
Page call does not function.
More than one station.
INTERCOM CALL FAULTS
TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER
P.T.U.
OFB-E
Station
1
3
CALL PAGE FAULTS
TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER
P.T.U.
OFB-E
Station
2
3
2
'lug Pack
Other Procedures
Master
Station
4
Check bus wiring.
4
Check bus wiring.
Master Plug Pack
Other Procedures
Station
1. Check station is programmed for
Master Page access.
1. Check stations are programmed
for Master Page access.