Cameron NUFLO 1141C, User Manual

Page: 61 / 120

Chapter 5: Troubleshooting
61
Table 5.1—Problems and Solutions
Problem Possible Solutions
C)
The Scanner will
not talk to ScanWin
(cont’d). Ports Tab default settings are:
•
Port is COM1.
•
Status is enabled.
•
Port Group Name and Device setup name are DIRECT.
3. Check to ensure that the cable inside the Scanner 1141 enclosure that connects
the local console connector to the CN34 A01 connector on the main board is
properly connected at both ends.
D)
The Scanner battery
does not hold a
charge
.
1. Check the charging voltage coming into the 1141. Power should be connected to
the Power +/- terminals (terminals 2 and 3) on the 1141 main board. Also, check
the power cable that runs from the power supply board to the CN35 connection
labeled “Power” along the top right edge of the Scanner 1141 main board. This
cable terminates with a 6-pin connector on the main board, as shown in Figure
2.13.
If a 12-volt solar panel is being used, it should be 13-18 VDC. If a 24-VDC and
I.S. barrier combination is being used, it should be 16-20 VDC. If a 12-VDC and
I.S. barrier combination is being used, it should be 7-9 VDC.
2. Check for a blown fuse in the factory-installed wire connecting the positive battery
terminal to the mainboard. The 10-amp inline ceramic fast-blow fuse is ¼ x 1 ¼-in.
ABC-10.
3. Although the voltage seems sufficient, there may not be enough current to sustain
the Scanner’s operation over a long period of time. If this is suspected, remove
one of the input power leads coming from the charging device (e.g. solar panel).
Using a current meter, measure the amount of current being supplied to the
Scanner 1141 battery. A fully charged Scanner 1141 will only draw 10 to 20 mA. A
low battery will draw as much as the solar panel will produce, up to 10 amps on
the charger integral to the mainboard.
Typical Solar Panel Max Current
•
5 watt- 290 mA (0.29 A)
•
10 watt- 580 mA (0.58 A)
•
30 watt- 1,750 mA (1.75 A)
4. The Scanner 1141 battery may have been damaged due to a series of excessively
deep discharge cycles (e.g. less than 5 VDC for the 6-volt system). This might be
symptomatic of a large number of low battery alarms on the Scanner 1141 only at
night when there is no sun, despite the fact that the system has seen a consistent
amount of sunshine during the daylight hours. Some of the battery’s capacity may
be restored by fully charging the battery and then discharging it to 5.5 VDC
repeatedly in the shop. If not, the battery should be replaced.
For instructions on
replacing the battery,
see
Page 66.