Maretron DCM100 用户手册

 

 

 

 

 

•  Clean the unit with a soft cloth.  Do not use chemical cleaners as they may remove 

paint or markings or may corrode the DCM100 enclosure or seals. 

•  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

®

 connector, and tighten if 

necessary. 

•  Check the security of all of the battery connections, current sensor connections, and 

temperature connections on the top of the unit and tighten if necessary. 

 

If you notice unexpected operation of the Maretron DCM100, follow the troubleshooting 
procedures in this section to remedy simple problems. If these steps do not solve your 
problem, please contact Maretron Technical Support (refer to Section 9 for contact 
information). 
 
Symptom 

No DC power data 
visible on NMEA 2000

®

 

network. 

Ensure that the DCM100 is properly connected to the NMEA 
2000

®

 network. 

 
Ensure that the battery voltage, current sensor, and temperature 
sensors are properly connected to the DCM100. 
 
Ensure that the DCM100 has the appropriate NMEA 2000

®

 PGNs 

enabled as described in Section 2.5.4.14. 
 
 

Battery State of Charge 
shows 100% before the 
charge cycle is finished 

Ensure that the Peukert exponent you have entered for the battery 
is correct. 
 
Synchronize the DCM100 with the battery. 
 

Battery State of Charge 
jumps from 95% or 
lower to 100% when the 
charge cycle is finished 

Ensure that the Peukert exponent you have entered for the battery 
is correct. 
 
Synchronize the DCM100 with the battery. 
 

Battery State of Charge 
decreases while 
charging and increases 
while discharging 

The current sensor is installed incorrectly. Reverse the direction of 
the wire through the current sensor. 

 
Warning: There are no user-serviceable components inside the Maretron DCM100.  Opening 
the DCM100 will expose the sensitive electronic components to adverse environmental 
conditions that may render the unit inoperative. Please do not open the DCM100, as this will