Troubleshooting - Glamox NL95 User Manual

8. Troubleshooting

In order to detect problem and solve it, please follow instructions in this section. In case that your problem is
not described, contact your sales representative for more assistance.
For easier check up of system, please check bellow overview of Power Supply module PCB.
12 11 10
1 Power input for modules "+, -" terminals,
19V dc up to 32V dc
Emergency power supply LED indication
2
Main power supply LED indication
3
4 TX2 LED, NMEA communication
blink approx 10sec.
RX1, TX1 LEDs, communication between
5
Power Supply module and main unit
6 NMEA Terminals
Due to batteries inside Power Supply module power failure alarm can be indicated without any of other equipment
connected to Main unit. In order to determine fault in system power supply please follow steps bellow:
1. Check power supply to Power supply module, main and emergency LEDs
2. Check connection between Main unit and Power Supply module
3. Check fuse 3.15AF and 2AF on Power Supply module
5. Measure 19 V dc - 32Vdc voltage between + and -
6. Check fuse F2 on Power Supply module (applicable for ITNSLP-01P 230 V ac and ITNSLP-01P 115 V ac)
7. Check fuse F1 on Power Supply module
ITNSLP-01P power supply module
1 2 3
C M E + - PE
EMERG
MAIN
DISP
CON1 CON2
ITNSLP-01P
SYS
IN1 IN2 IN3
CON3 1 2 3 4 5 6 7 8 9 10 111213141516 1718192021
9 8 7
AL1 LED, Common Alarm indication
7
SYS LED, System operating indication
8
IN1, IN2, and IN3 LEDs indications
9
10
Fuse for internal power supply
11
DISP LED, power 24Vdc to main unit
12
present
1
43
4 5
TX1 RX1
ADDRESS
TX2
TERM
AL1 AL2 AL3
6
Rev.: 4, Print date: 2021-05-05
NL95