CHAPTER 2 TROUBLESHOOTING
ā 222 ā NWA-008847-001 Rev.3.0
a6ch2001.fm
Power Failure Transfer (PFT) Fault
Preassigned stations are not con-
nected to the C.O. line when system
alarm or power failure has
occurred.
(1) Cross connection on the MDF is
properly made.
(2) Between the 8PFT card and the COT
card is properly connected.
(1) 8PFT card
PFT operates without Power Fail-
ure or Emergency Alarm.
(1) 8PFT card
(2) MP card
START
END
CHECK
REPLACE
REPLACE
FAULT DIAGNOSIS AND TROUBLESHOOTING
To Next Page
Loading...
