Appendix 6 - Troubleshooting - NewMar Centurion II Power System Installation & Operation Manual

Dc power system -48 vdc and +24 vdc
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12 A
6 – T
PPENDIX
ROUBLESHOOTING
A) Resetting Passwords
1) Expert password lost
Uninstall SM3x Configuration Utility from computer
Reinstall SM3x Configuration Utility on computer
2) Reset Network Password
In the left hand column of the software, right click and a box will give login options.
Log- on option is Expert and will request the password ("expert").
Then open the Network tab and click the "Reset Web Passwords" box.
a. Enter new Web Administrator Username
b. Enter new Web Administrator Password
c.
d. Enter new Web User Level Password
B) Measuring voltage on output: Load circuit breakers are off but I'm measuring DC voltage
on the output terminal block.
This is normal. The load breakers are monitored electronically via a diode to a digital
input on the SM36. This is a high impedance residual voltage and does not present a
hazard to the user – see "Circuit Breaker Fail Monitoring" under section 4.4
Alarm/Ancillary
C) AC Meter Shows Incorrect Voltage
Meter requires greater than a 2 amp load to measure correctly
D) SM36 Module does not stay in place
On the left side of the module is a small ballscrew that can be adjusted to maintain
proper holding force of the SM3x inside the chaise.
E) Rectifiers come out of shelf
Verify that the rectifier is fully inserted and using a small flathead screwdriver the
green locking tab on the right side is pressed down.
F) No output from rectifiers
Verify correct AC input voltage:
Confirm operation voltages between each set of Line inputs A, B, and C:
A-L1 to A-L2 = 208 or 230 volts, B-L1 to B-L2 = 208 or 230 volts, C-L1 to C-L2 = 208 or 230 volts
Check voltages between each set of Line inputs and ground:
A-L1 to Ground = 208 or 230 volts, B-L1 to Ground = 208 or 230 volts, C-L1 to Ground = 208 or 230
volts
A-L2 to Ground = 208 or 230 volts, B-L2 to Ground = 208 or 230 volts, C-L2 to Ground = 208 or 230
volts
Newmar • PO Box 1306, Newport Beach, CA 92663
• Phone: 714-751-0488 • E-mail: techservice@newmarpower.com
i. Click W icon next to field to save information
i. Click W icon next to field to save information
Enter new Web User Level Username
i. Click W icon next to field to save information
i. Click W icon next to field to save information
25

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