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BAL
Indicates Balmar
620
Indicates Model MC-620
UFP
Indicates regulator’s default Universal Factory Program. Display will vary based on program selected.
b-0
Indicates the regulator’s Belt Load Manager setting. Ranges from b-0 to b-9
-b-
Indicates stage of charge. “-b-” indicates bulk. “-A-” indicates absorption. “-F-” indicates float. “-r-” indicates ramp.
bv
Indicates system Battery Voltage. Followed by actual voltage reading.
Cv
Indicates Calculated Voltage (Target voltage based on preset program levels). Followed by voltage reading.
b1
Indicates Battery #1 Temperature. Followed by NC (not connected), or temperature in Celsius.
AL
Indicates Alternator #1 Temperature. Followed by NC (not connected), or temperature in Celsius.
b2
Indicates Battery #2 Temperature. Followed by NC (not connected), or temperature in Celsius.
E10
BATTERY #1 SENSOR
CABLE SHORTED
E11
BATTERY #1 TEMP. SENSOR
CABLE OPEN OR NOT FOUND
E12
BATTERY #2 TEMP. SENSOR
CABLE SHORTED
E13
BATTERY #2 TEMP. SENSOR
CABLE OPEN OR NOT FOUND
E14
ALTERNATOR #1 TEMP.
SENSOR CABLE SHORTED
The regulator’s three digit alphanumeric LED display provides a scrolling view of charging status. Under normal operation,
the display will indicate the following:
E15
ALTERNATOR #1 TEMP.
SENSOR CABLE OPEN OR NOT
FOUND
E20
BATTERY #1 TOO HOT OVER
55°C. FACTORY DEFAULT
E21
BATTERY #2 TOO HOT. OVER
55°C. FACTORY DEFAULT
E22
ALTERNATOR TOO HOT.
OVER 107°C
E24
VOLTAGE REGULATOR TOO
HOT. OVER 90°C
E25
BATTERY #1 TOO COLD
E33
BATTERY SENSE DIS-
CONECTED
E41
FIELD VOLTAGE TOO HIGH
E42
STATOR VOLTAGE TOO
HIGH
E51
SMALL ENGINE MODE IS IN
OPERATION
In addition to the information provided in the basic display shown above, the MC-620 long display provides the following data.
The long display is accessed during basic programming, which will be discussed in the next section of the manual.
FE
Indicates the percentage of field output to the alternator. The higher the percentage, the greater the output.
r4.1
Indicates regulator’s software revision code.
SP
Indicates internal regulator temperature. Followed by degrees Celsius.
SLP
Indicates, in millivolts, the value used to control voltage compensation for battery temperature.
Hr.
Indicates overall regulator hours. Followed by hours and hours in hundreds of hours.
FbA
Indicated field threshold from bulk to absorption. Factory set at 65%. Adjust in advanced programming mode.
FFL
Indicates field threshold from float to absorption.
E
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 cleared by entering dSP and letting it save.
Display settings DO NOT need to be changed. See basic
programming for more info.
REGULATOR DISPLAY MODES - SHORT DISPLAY / LONG DISPLAY
