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SECTION 5.0 – ERROR CODES
aware that if this error code occurs it is an indication of a sever problem in the installation that, if allowed to persist,
will eventually destroy the batteries. Note that this error means the voltage and time limits have been outside of
range since a button was last pressed. It does not mean they are currently being exceeded. The error is stored
after the fault has cleared until the error is cleared by pressing a button.
“E03” – Battery voltage has been above acceptable level for battery type.
This is similar to “E02” but for high voltage. The voltage level and time limits vary
dependent upon battery type. For example a wet cell antimony/antimony battery is far
more tolerant of high voltage levels than Gel cells and AGM types. Wet cell
calcium batteries are even more tolerant than antimony/antimony. Wet cell batteries
can tolerate 15 volts or more for long periods of time (always assuming the production
of explosive gasses is dealt with) whereas even 14.6 volts could severely damage Gel
cell or AGM batteries in a very short time.
This error means the voltage and time limits have been exceeded since the last error
was cleared. It does not mean they are currently being exceeded. The error is stored
after the fault has cleared until the error is cleared by pressing a button. Error codes
E 02 and E 03 can be disabled by the user. Refer to Section 4.5 for instructions.
“E04” – Battery voltage has been above acceptable level for battery type.
SmartGauge™ can accurately measure voltages between 9.00 and 17.00 volts in 12 volt mode and between 18.00
and 34.00 volts in 24 volt mode. If these limits are exceeded SmartGauge™ has no way of measuring the actual
voltage. Also, if these limits are exceeded there is something seriously wrong with the
installation. Such extreme voltages simply should not arise and indicates a serious
problem with the charging system.
HI Battery voltage is above upper measurement limit of 17.00 volts (34.00 volts in 24
volt installations).
LO Battery voltage is below lower measurement limit of 9.00 volts (18.00 volts in 24
volt installations). Note that Hi and LO errors will clear as soon as the voltage returns
to within the measurement range. They will, however, leave an “E04” error code on
the display. Repeated displays of the “E04” error code may indicate a system ground
error or a potential battery cell fault. The “E04” error indicates a condition which should
be addressed by a qualified electrician.
SECTION 6.0 – RESET TO FACTORY DEFAULT
Circumstances such as change of battery technology, or the need to override a
menu lock, require that you return the Smartgauge™ to its Factory Default state.
To return the monitor to its default settings:
1. Disconnect the power feed to Smartgauge™ (pull the fuses in each feed wire out).
2. Press both the VOLTS and STATUS buttons and keep them pressed.
3. Reapply power, still keeping the buttons pressed.
4. Smartgauge™ will display the software revision as usual. Keep the buttons pressed.
5. Smartgauge™ will display the battery model revision as usual. Keep the buttons
pressed.
6. The display will go blank.
7. Remove your fingers from the buttons.
8. Smartgauge™ will flash “Fr” (Factory reset).
9. Smartgauge™ will completely reset its internals to the factory defaults.
Smartgauge™ will now operate exactly like a new unit on first power up
beginning by displaying the software revision. NOTE – If the set-up menu
lock had been set prior to this, then attempting to perform a “reset to factory
defaults” will not do so on the first attempt. It will simply disable the menu
lock. A second attempt will perform the reset to factory defaults.
