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 (-)