Wheelock SP4-APS, Руководство по установке

Страница: 13 / 14

P84577 G
Sheet 13 of 14
Table 3 shows the SP4-APS trouble conditions, LED indicators, and a Remarks section in order to help diagnose the trouble.
Table 3: Troubleshooting
SP4-APS Trouble Conditions Audio Zone LEDs
RS485
LEDs
Trouble Name
Reports
Trouble General
TROUBLE
LED Zone (X)
SHORT
LED Zone (X)
OPEN
LED RS 485
TRB
LED
Remarks
Zone Audio Output
Major Short X X X Shorted Wiring or Appliance on Audio Zone. Audio
Zone disabled. See Note 1.
Zone Audio Output
Minor Short X X X Shorted Wiring or Appliance on Audio Zone. Audio
enabled. See Note 1
Zone Audio Output
Open
X X X
Open wiring on Audio Zone or End of Line Resistor
missing. Audio Zone enabled to the point of the open.
See Note 1.
Alarm Short X X Alarm wiring shorted together. See Note
(“NAC Mode” Only)
Alarm Open X X Alarm wiring open or not connected. See Note 1.
(“NAC Mode” or “CC Mode”)
RS485 IN Short X RS485 IN wiring shorted together. Subsequent SP4-
APS’s will have the RS485 IN LED
ON .
RS485 IN Open X RS485 IN wiring open. No communication to SP4-
APS and subsequent splitters. Subsequent SP4-APS’s
will have the RS485 IN LED
ON
RS485 OUT Short
X
RS485 OUT wiring shorted together. No
communication to subsequent SP4-APS’s. Subsequent
SP4-APS’s will have the RS485 IN LED
ON .
RS485 OUT Open X RS485 OUT wiring open. No communication to
subsequent SP4-APS’s. Subsequent SP4-APS’s will
have the RS485 IN LED
ON
24VDC Wiring
Disconnected X All LED indicator will be OFF . See Note 2.
Ground Fault on
any terminal except
RS485 X No indication on SP4-APS. Trouble LED and Ground
Fault LED indicators will light on the SP40/2 or
Audio Booster powering the SP4-APS.
NOTE 1 : All SP4-APS trouble conditions, except RS485 trouble conditions, will cause a trouble condition on the SP40/2 or Audio
Booster (SPB-160, SPB-80/4, SPB-320) that is powering the SP4-APS. The TROUBLE and AUDIO SHORT LED
indicators will light on the corresponding SP40/2 or Audio Booster.
NOTE 2 : If the 24VDC input wiring from the Audio Source (SP40/2 or Audio Booster) is not connected to the SP4-APS and the
Audio Input is connected, the TROUBLE LED on the Audio Source will be ON as well as the AUDIO SHORT trouble
LED. The SP4-APS will play audio out of all zones.
ANY MATERIAL EXTRAPOLATED FROM THIS DOCUMENT OR FROM WHEELOCK MANUALS OR OTHER
DOCUMENTS DESCRIBING THE PRODUCT FOR USE IN PROMOTIONAL OR ADVERTISING CLAIMS, OR FOR ANY
OTHER USE, INCLUDING DESCRIPTION OF THE PRODUCT'S APPLICATION, OPERATION, INSTALLATION AND
TESTING IS USED AT THE SOLE RISK OF THE USER AND WHEELOCK WILL NOT HAVE ANY LIABILITY FOR SUCH
USE.