INSTRUCTION / TROUBLESHOOTING MANUAL FOR MODEL A75MD
PAGE 11 OF 22
5.
Charge Time
– Displays the projected total time that it will take to charge the battery.
This screen will display “Not at Finish” until the charger reaches the finish rate and the timer starts.
G. When the charge cycle is completed, the charger will turn off and the "Charger On" lamp will turn off also.
One of the following screens will be displayed (refer to flow chart on page 18):
1.
A-H Returned
– Displays total Ampere Hours returned to the battery during the charge cycle.
2.
Elapsed Time
– Displays total time that the charger was charging the battery
3.
Cooling Time
– Displays elapsed time from when the charger turned off.
H. If for some reason the AC input voltage fails, the "Fault" lamp will illuminate and the battery charger will
turn off. The display will indicate "AC Failure" During this interval, the charge time registers in the charger are
held at their present count. When the AC has returned to normal, the charge cycle resumes where it left off
and the "Fault" lamp extinguishes.
I. If for some reason the normal, equalize, or rate timers do not terminate the charge cycle in less than 12
hours, the override timer will time out, shut down the charger and the "Fault" lamp will illuminate. The display
will indicate "Override Timer".
J. If for some reason, the unit output voltage exceeds 2.7 volts per cell for 20 sec, an independent software
shutdown will stop the charger. The display will indicate "High Voltage" and the "Fault lamp" will illuminate. To
restart the charger it will be necessary to reset the charger. Push and hold the STOP pushbutton until the
“Fault” lamp illuminates solid red, then release the STOP pushbutton. The unit will reset and the lamp test will
blink all lamps and after a short delay the “Fault” lamp will switch from solid to blinking as part of the lamp test.
You can also reset the charger by disconnecting the battery.
K. If a fully charged battery is connected, the charger will turn off after fifteen (15) minutes, the "Charger On"
lamp will extinguish. The display will automatically scroll through the following screens:
1.
Fully Charged Battery
2.
A-H Returned
3.
Elapsed Time
NOTE: PUSH THE STOP PUSHBUTTON TO TURN OFF THE CHARGER BEFORE DISCONNECTING THE
BATTERY DURING A CHARGE CYCLE.
