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CLM100 User's Manual
5 Maintenance
Regular maintenance is not required; however, an occasional inspection will ensure continued
proper operation of the Maretron CLM100. 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 CLM100 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 screws holding the cable ties.
Check the security of the cable connected to the NMEA 2000
necessary.
Check the security of all of the transducer connections on the top of the unit and tighten
if necessary.
6 Troubleshooting
If you notice unexpected operation of the Maretron CLM100, follow the troubleshooting
procedures in this section to remedy simple problems.
Symptom
No transducer
1. Ensure that the CLM100 is properly connected to the NMEA 2000
data visible on
®
NMEA 2000
2. Ensure that transducers are properly connected to the CLM100.
network.
3. Ensure that each channel that you wish to monitor is configured as the
4. Ensure that the CLM100 has the appropriate NMEA 2000 PGNs
1. Ensure that the "Value at 4mA" and "Value at 20mA" configuration
Inaccurate
transducer
value
2. Check that the vent tube from any pressure transducer (only present
3. Ensure that nothing is interfering with the ability of the transducer to
Zero or "dash"
1. Ensure that the "Value at 4mA" and "Value at 20mA" configuration
readings on
display
2. Check the cable connection to the transducer to see whether a wire
If these steps do not solve your problem, please contact Maretron Technical Support (refer to
Section 8 for contact information).
Page 28
Troubleshooting Procedure
network.
appropriate mode and that instance numbers are configured correctly.
enabled.
items are set to appropriate values for the transducer.
on some transducers) is not kinked or blocked.
properly measure its parameter (e.g., clogged ports on pressure
transducers).
items are set to appropriate values for the transducer.
has become loose, or the cable has been cut.
Figure 4 – Troubleshooting Guide
®
interface and tighten if
Revision 1.0
®
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