GE LOGIQ E9 Service Manual page 169

GE
D 5573152-100, R
IRECTION
5-7-6 AC Failure Power Off Sequence
Figure 5-24 AC Failure Power Off Sequence
. 2
EV
Main Power Supply
GFI or MRX
TS_OK
Stop
Transmitting
ACFAIL_N
GFI Stops
Scanning.
Disconnect TX
from TSV.
Chapter 5 Components and Functions (Theory)
Main mcu detects
AC or 48V failure
TS_OK
false
Shutdown
TS
ACFAIL_N
ACFAIL_N
true
Record Failure in
Flash (incl Time)
Shutdown of
24V, LV
48V_OK
48V_OK
False
LOGIQ E9 S
ERVICE
BEP
Stop Scanning.
BEP OS
shutdown of HD
and peripherals.
Shutdown
BEP PS
M
ANUAL
5 - 29