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ACM100 User's Manual
4 Maintenance
Regular maintenance is important to ensure continued proper operation of the Maretron
ACM100. Perform the following tasks periodically:
Clean the unit with a soft cloth. Do not use chemical cleaners as they may remove paint
or markings or may corrode the ACM100 enclosure or seals. Do not use any cleaners
containing acetone, as they will deteriorate the plastic enclosure.
Ensure that the unit is mounted securely and cannot be moved relative to the mounting
surface. If the unit is loose, tighten the mounting screws.
Check the security of the cable connected to the NMEA 2000
necessary.
Check the security of all of the current transducer connections and voltage transducer
connections on the top of the unit and tighten if necessary.
5 Troubleshooting
If
you
notice
unexpected
troubleshooting procedures in this section to remedy simple problems.
Symptom
No AC power data
visible on NMEA 2000
network.
Exported power is
increasing when it
shouldn't be
Imported power in not
increasing when it
should be
Currents are showing
as negative values
when they should be
showing as positive
values
Power readings are not
what I expect
Page 16
operation
Troubleshooting Procedure
Ensure that the ACM100 is properly connected to the NMEA
®
®
2000
network.
Ensure that the current transducers and voltage sense cables are
properly connected to the ACM100.
Ensure that the ACM100 has the appropriate NMEA 2000
enabled as described in Section 1.
The current transducer(s) are installed backwards. Either 1)
reinstall the current transducers in the opposite direction of 2)
configure the ACM100 to recognize the reversed installation as
described in Sections 1, 1, and 1.
Please review carefully the installation instructions in Section
2.4.2 and the configuration of the circuit type in Section 0.
of
the
Maretron
®
connector, and tighten if
ACM100,
follow
®
PGNs
Revision 1.3
the
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