F01 — Internal Shorted Cell Battery
If the battery being charged has an internal shorted cell, the F01 will show. We recommend taking your battery to a certified automotive service center for evaluation.
F02 — Bad Battery Connection or Battery Voltage Too Low to Accept Charge
When F02 appears, the most common cause is poor connection to battery.
•Follow the steps outlined in “Important Safety Instructions” at the front of this manual to disconnect AC cord and clamps, clean battery terminal and reconnect.
•If the situation persists, we recommend taking your battery to a certified automotive service center for evaluation.
F03 — Sulfate or Unchargeable Battery
Appears when the battery is highly sulfated and cannot accept normal charge current.
•Follow the steps in “Recondition Mode” to recondition the battery.
•Follow the steps in “Equalizing” to equalize the battery.
•If the situation persists after reconditioning and equalizing, we recommend taking your battery to a certified automotive service center for evaluation.
F04 — Overtime Condition
Appears when charging time exceeds 18 hours. You may be using a charge current rate too low for a large battery. Select higher charge rate to charge the battery.
F05 — Overheated Condition
The ventilation grill that prevents the air from flowing in and out of the charger may be blocked.
•Follow the steps outlined in “Important Safety Instructions” at the front of this manual to disconnect AC cord and clamps, allow the unit to cool for 30 minutes and reconnect.
•Make sure there is ample ventilation before resuming operation.
F06 — Reverse Polarity
The connections to the battery’s positive and negative terminals are incorrect. Follow the steps outlined in “Important Safety Instructions” at the front of this manual to disconnect AC cord and clamps and reconnect to battery with correct polarity.
F07 — Alternator Voltage
Alternator output voltage is out of typical operation range.
Charging a Very Cold Battery
If the battery to be charged is very cold (in temperatures below freezing — 0°C/ 32°F), it cannot accept a high rate of charge. The initial charge rate will be low. The charge rate will increase as the battery warms. Never attempt to charge a frozen battery.
CARE AND MAINTENANCE
With proper care and minimal maintenance, the 40 Amp Smart™ Battery Charger will provide years of dependable service. For maximum performance, manufacturer recommends:
•After each use, clean the battery charger clamps — be sure to remove any battery fluid that will cause corrosion of the clamps.
•Clean the outside case of the charger with a soft cloth and, if necessary, mild soap solution.
•Do not allow liquid to enter the charger. Do not operate when charger is wet.
•Keep the charger cords loosely coiled during storage to prevent damage to the cords.
WARNINGS:
•Do not use charger if cords or clamps have been damaged in any way — call Technical Support
(800)544-6986.
•There are no user-serviceable parts in this unit.
•Do not open the unit. In the event of malfunction, it must be returned to manufacturer for professional testing and repair. Opening the unit will void the manufacturer’s warranty.
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