User Manual Part 3

Page 3-72
16 Sep 2015
23-15-29
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
JetWave™ System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
KANDU OAE
Serial IMU Bus
(32)
OAE input (02) 0x 0003 Serial Normal System is good.
KANDU KRFU
Serial Bus (33)
KANDU input (01) 0x 0001 Serial Inactive Is a warning that on 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
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 3-20. L3 Codes (Cont)
L1 L2 L3 Code L3 Description Repair Action