NAPCO Gemini C
-
Series Control Panel Installation Instructions
--
Volume 3
Page 18
Installation Instructions, Volume 3
F I R E G R O U N D F A U L T T R O U B L E S H O O T I N G C H A R T
VDC between
system
and
earth
ground
(negative probe terminal
23; positive probe terminal 1)
Motherboard
Terminal #
Accessory
Terminal #
Wire most likely shorted to earth
ground (terminal 1)
31V
1 or 3
GEMC
-
FW
-
SLC Loop (+)
26V
2
NAC A +
4
NAC B +
6
NAC C +
8
NAC D +
18V
13
TBL SND +
14
TBL SND
-
16V
17
KEYSW (+)
13V
22
AUX PWR +
18
REM PWR +
3
NAC A
-
5
NAC B
-
7
NAC C
-
9
NAC D
-
14V
-
8V (pulsing when active)
21
REMOTE BUS YEL
20
REMOTE BUS GRN
10V
2
NAC A +
4
NAC B +
6
NAC C +
8
NAC D +
Zero (0) Volts
3
NAC A
-
5
NAC B
-
7
NAC C
-
9
NAC D
-
19
REM PWR
-
23
AUX PWR
-
2 or 4
GEMC
-
FW
-
SLC Loop (
-
)
B U R G L A R Y G R O U N D F A U L T T R O U B L E S H O O T I N G C H A R T
VDC between
system
and
earth
ground
(negative probe terminal
23; positive probe terminal 1)
Motherboard
Terminal #
Accessory
Terminal #
Wire most likely shorted to earth
ground (terminal 1)
16V
1 or 3
GEMC
-
BSLC loop (+)
13V
24
TAMP
1
BM BURG BELL (+)
3
BM AUX PWR (+)
7
BM REMOTE PWR (+)
14V
-
8V (pulsing when active)
9
BM REMOTE BUS GRN
10
BM REMOTE BUS YEL
3V
1
BM BURG BELL (+)
3.5V
1
GEMC
-
BSLC POINT ZONE (+)
Zero (0) Volts
2
BM BURG BELL (
-
)
8
BM REMOTE PWR (
-
)
