User's Manual Part 6

Page 7-54
3 Mar 2017
23-15-29
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
JetWave™ System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
KANDU
KRFU
Serial
Bus (33)
KANDU input
(01)
0x 0001 Serial Inactive Is a warning that no traffic has been
seen on the bus:
- Far end is not talking.
- Wiring problem.
- Input problem.
0x 0002 Serial High packet loss There is an intermittent wiring
problem or hardware fault.
0x 0003 Serial Normal System is good.
KRFU input (02) 0x 0001 Serial Inactive Is a warning that no traffic has been
seen on the bus:
- Far end is not talking.
- Wiring problem.
- Input problem.
0x 0002 Serial High packet loss There is an intermittent wiring
problem or hardware fault.
0x 0003 Serial Normal System is good.
KANDU
Input:
Discretes
from
OAE (34)
FMA transmit
mute (01)
0x 0001 Mute line not asserting at 180 Check the FMA, FMA to KANDU
wiring and the KANDU
0x 0002 Mute line asserting at 0
KANDU
Input:
Discretes
from
Modman
(35)
Reset (01) 0x 0000 Asserted System interconnect:
Is a Debug aid to allow maintainer
or installer to see inputs on various
boxes on system interconnect.
If not working correctly:
- Check cables.
- Check TX LRU.
- Check RX LRU.
0x 0001 De-asserted
0x 0002 KANDU reset of KRFR Reset
ARINC TX mute
(02)
0x 0000 Asserted
0x 0001 De-asserted
Filter Select (03) 0x 0000 Asserted
0x 0001 De-asserted
TX Mute (04) 0x 0000 Asserted
0x 0001 De-asserted
KRFU
Input
Discrete
from
KANDU
(41)
Reset (01) 0x 0000 Asserted
0x 0001 De-asserted
KRFU TX mute
(02)
0x 0000 Asserted
0x 0001 De-asserted
0x 0003 KRFU not muted during system test
Table 7-6. L3 Codes (Continued)
L1 L2 L3 Code L3 Description Repair Action
Draft as of 31 May 2017