Troubleshooting - Honeywell EXCEL 12 W7704B1002 Installation Instructions Manual

Troubleshooting

All models feature a L W
ON
corresponding L W
ON ORKS
outside on top of the module) for commissioning and
troubleshooting. When the service button is pressed, the
service pin message is broadcasted.
See Table 3 on page 8 for a description of the meaning of the
various different possible behaviors of the L
LED. For more information on standard service LED behavior,
refer to Motorola L W
ON ORKS
Manual, page AL-190.
Possible Problems and Recommended Actions
Check if switching the power OFF/ON changes the
L W service LED's behavior. Please contact Honeywell
ON ORKS
if this does not solve the problem.
leverage slot
LonWorks
service button
Fig. 9. Housing (top view)
service LED and
ORKS
service button (accessible from the
W
ON ORKS
Technology Device Data
LonWorks
service LED
ventilation slits
Accessories
Swivel Label Holders
For short or long housings (required for modules equipped
with manual override switches). Packs of eight.
•
24 Vac models (short), order no.:
•
line power supply models (long), order no.:
Terminal Protection Covers
service
For short or long housings (required for wall/ceiling mounting).
Packs of eight.
•
24 Vac models (short), order no.:
•
line power supply models (long), order no.:
L W Termination
ON ORKS
One or two L
ON
on the given LonWorks bus layout.
Two different L
•
L W
ON ORKS
•
L W
ON ORKS
on DIN rails and in fuse boxes), order no.:
removable screw-type
3-pole terminal block
Fig. 10. L
ON
7
EXCEL 12 MODULES
W terminations are required, depending
ORKS
W terminations are available:
ON ORKS
termination module, order no.:
connection / termination module (mountable
4 shield
3
plug-in
jumper
L
L
O
O
N
N
W connection and termination module
ORKS
EN1B-0201GE51 R0905C
XAL_LAB_S
XAL_LAB_L
XAL_COV_S
XAL_COV_L
209541B
XAL-Term
3 4
5
1
shield
0 6
LON
Termination
FTT/LPT Bus
FTT/LPT Free
Park Position