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Regulator Display Modes

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Basic Display/Long Display

The regulator’s three digit alphanumeric LED display provides a scrolling view of charging status. Under normal operation, 

the display will indicate the following:

Indicates Max Charge MC-612-DUAL.

Indicates regulator’s default Universal Factory Program. Display will vary based on program selected. 

Indicates the regulator’s Belt Load Manager setting. Ranges from b-0 to b-7.

Indicates stage of charge. “b” indicates bulk. “A” indicates absorption. “F” indicates float.

Indicates “real time” battery system voltage. Followed by actual voltage reading.

Indicates Calculated voltage (target voltage based on preset program levels). Followed by voltage reading.

Indicates Battery #1 temperature. Followed by NC (not connected), or temperature in celsius.

Indicates Alternator #1 temperature. Followed by NC (not connected), or temperature in celsius.

Indicates Battery #2 temperature. Followed by NC (not connected), or temperature in celsius.

Indicates Alternator #2 temperature. Followed by NC (not connected), or temperature in celsius.

* Alt. #2 or Bat. #2 Temperature Sensing are user selectable. One or the other will be shown in the regulator display.

In addition to the information provided in the basic display shown above, the MC-612-DUAL long display provides the fol-

lowing data. The long display is accessed during basic programming, which will be discussed in the next section of the 

manual. 

Indicates the percentage of field output to the alternator. The higher the percentage, the greater the output.

Indicates regulator’s software revision code.

Indicates temperature setpoint for ambient alternator and battery temperatures. Followed by degrees celsius.

Indicates, in millivolts, the voltage value used to control voltage compensation for  battery temperature.

Indicates overall regulator hours. Followed by hours (by tenths) and hours in excess of 100.

Indicates field threshold from bulk to absorption. Factory set at 65%. Adjust in advanced programming mode.

Indicates field threshold from float to absorption. Factory set at 65%.  Adjust in advanced programming mode.

Indicates system advisory codes. Individually numbered codes are defined below.

The following advisory codes can be used to determine possible system errors or to identify specific operational modes. 

Note that E codes are cumulative and will be held in memory until cleared. Codes can be by cycling from LD to SD in the 

basic programming mode, and back to LD after the SD mode has been saved. See basic programming for more info.

BATTERY #1 TEMP. SENSOR 

CABLE SHORTED
BATTERY #1 TEMP. SENSOR 

CABLE OPEN OR NOT FOUND
BATTERY #2 TEMP. SENSOR 

CABLE SHORTED
BATTERY #2 TEMP. SENSOR 

CABLE OPEN OR NOT FOUND
ALTERNATOR #1 TEMP. SENSOR 

CABLE SHORTED
ALTERNATOR #1 TEMP. SENSOR 

CABLE OPEN OR NOT FOUND
ALTERNATOR #2 TEMP. SENSOR 

CABLE SHORTED

ALTERNATOR #2 TEMP. SENSOR 

CABLE OPEN OR NOT FOUND
BATTERY #1 TOO HOT. OVER 

52˚C. FACTORY DEFAULT
BATTERY #2 TOO HOT. OVER 

52˚C. FACTORY DEFAULT
ALTERNATOR #1 TOO HOT. 

OVER 108˚C
ALTERNATOR #2 TOO HOT. 

OVER 108˚C
VOLTAGE REGULATOR TOO 

HOT. OVER 90˚C
BATTERY SENSE WIRE OPEN 

OR NOT FOUND

BATTERY #1 TOO HOT.  OVER 

USER ADJUSTED VALUE
BATTERY #2 TOO HOT. OVER 

USER ADJUSTED VALUE
FIELD  VOLTAGE  TOO  HIGH                          

STATOR VOLTAGE TOO HIGH

SMALL ENGINE MODE IS IN 

OPERATION
BATTERY #2 TEMPERATURE 

SENSE MODE
ALTERNATOR #2 TEMPERATURE 

SENSE MODE

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Summary of Contents for MAX CHARGE MC-612-DUAL

Page 1: ...ternators are being used to charge the same large battery bank The MC 612 DUAL provides two field output connectors two power input connectors and two system ground connections making it pos sible to...

Page 2: ...rom inverters transmitters and other sources of RF noise convenient access and readability of the display The regulator wiring harness is 54 inches long providing a three to four foot radius for mount...

Page 3: ...BATTERY Temperature Sensor MC TS A Sensor lug connects to negative battery post enabling regula tor to monitor and respond to battery temperature condition USE CARE TO ENSURE POSITIVE AND NEGATIVE WI...

Page 4: ...switch or to the wire in the existing engine wiring loom that delivers switched voltage from the ignition switch In some cases an oil pressure switch may be used to activate the regulator In either ca...

Page 5: ...e 1 4 spade terminal from the terminal 12 pin Crimp the spade terminal to the sense wire and reconnect the spade to the 12 terminal pin Data TX and RX Terminals 13 and 14 Are currently for factory use...

Page 6: ...gramming features Included with the regulator is a small screwdriver that doubles as the regulator s programming tool A small magnet embedded in the tip of the screwdriver s handle allows the user to...

Page 7: ...ds the bulk charge time by an additional six minutes and compares real time to target values This will re occur until all values are met 5 Ramps down to Absorption voltage 6 Absorption Charge Regulato...

Page 8: ...code Indicates temperature setpoint for ambient alternator and battery temperatures Followed by degrees celsius Indicates in millivolts the voltage value used to control voltage compensation for batt...

Page 9: ...AgL Optima OPS as well as a factory default program UFP and a program for systems with voltage sensitive halogen equipment HAL Programming can be accomplished whenever the regulator is activated Syste...

Page 10: ...16 and 17 Programming For Secondary Alternator OR Regulator Temperature Sensor The regulator allows the user to select between the use or a second battery temperature sensor or a second alternator tem...

Page 11: ...ues for that mode will begin to scroll in the opposite direction Continue to HOLD until the desired value is displayed 4 REMOVE the magnet from the RED dot The mode indicator will be displayed again f...

Page 12: ...indicated Field Threshold Bulk To Absorption Controls the criteria the regulator uses to determine how hard the alternator has to be working to stay in calculated bulk charging mode Factory set at 67...

Page 13: ...at s capable of providing a signal to a user supplied and installed audible or visual alert to indicate the following while the regulator is in operation Small Engine Mode is activated Regulator is at...

Page 14: ...tery Sense wire and there is zero or an unexpected voltage reading at the BLUE wire contact our technical support staff at 360 435 6100 or e mail us at balmar balmar net If all voltages at the regulat...

Page 15: ...tery side of the isolator if an isolator is in use Use a SHIELDED alligator clip for post attachment Unintentional contact between the alligator clip and the alternator case could result in damage to...

Page 16: ...eplacement In order to expedite warranty claims more efficiently BALMAR asks that prior to returning a defective product for repair you call their customer service department for a warranty return aut...

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