To Next PageTo Next PageWhy DieHard 28.71227 is on but not charging?
If your DieHard Automobile Battery Charger is connected to the battery and turned on but not charging, it might be in tester mode instead of charge mode. To resolve this, press the CHARGE RATE button to activate the charge mode and select your desired charge rate.
Why DieHard Automobile Battery Charger will not turn on when properly connected?
If your DieHard Automobile Battery Charger isn't turning on despite being properly connected, the issue might stem from a dead AC outlet or a poor electrical connection. Check the AC outlet for an open fuse or circuit breaker. Also, inspect the power cord and any extension cords for loose connections.
What to do if CHECK BATTERY (red) LED is on on DieHard Automobile Battery Charger?
If the red CHECK BATTERY LED is illuminated on your DieHard Automobile Battery Charger, it indicates a potential issue with the battery connection or the battery itself. Ensure the clips are making a solid connection to the battery and frame, and that the connection points are clean. Try rocking the clips back and forth to improve the connection. If the connections are good, unplug the charger and reverse the clips. If the issue persists, the battery may be defective and should be checked.
Why is my DieHard 28.71227 making a clicking sound?
If your DieHard Automobile Battery Charger is making a clicking sound, it could be due to several reasons: the circuit breaker cycling, a defective battery, or a severely discharged battery. First, verify that the charger settings are correct. If the settings are correct, have the battery checked. If the battery is severely discharged, allow charging to continue, giving the battery time to recover sufficiently to accept a charge. However, if the clicking continues for more than 20 minutes, stop charging and have the battery inspected.
How to fix no reading on DieHard Automobile Battery Charger digital display?
If the digital display on your DieHard Automobile Battery Charger shows no reading, the charger may not be properly plugged in or there may be no power at the receptacle. Ensure the charger is plugged into a functioning AC outlet and check the fuse or circuit breaker supplying the outlet.
General| Brand | DieHard |
|---|---|
| Model | 28.71227 |
| Category | Automobile Battery Charger |
| Language | English |
Provides a digital indication of voltage, charge percentage, or alternator output.
Button used to set the function of the digital display to Battery %, Voltage, or Alternator %.
Button used to select the battery type for charging (Standard, Deep-Cycle, AGM/GEL, DieHard Platinum).
Button used to set the maximum charge rate (2A, 15A, 40A, or 125A Engine Start).
Charger automatically reduces current if the battery temperature becomes too high.
Steps to ensure proper setup and connection before initiating the charging process.
Indicates if the battery is not properly connected, preventing charging from starting.
Charger switches to Maintain Mode automatically after the battery is charged.
Describes the condition where charging cannot be completed normally, indicated by a blinking CHECK LED.
Special mode for batteries that have become sulfated, attempting to restore normal charge acceptance.
Indicates charge completion with the CHARGED (green) LED and switching to Maintain Mode.
Keeps the battery fully charged by delivering a small current as needed.
Instructions for using the charger to jumpstart a vehicle with a weak or run-down battery.
Details the charger's states during the engine starting sequence: Wait, Cranking, and Cool Down.
Instructions for using the built-in voltmeter to test the battery's state of charge.
Distinguishes between the charger's tester mode and its charging mode.
Instructions for using the built-in alternator tester to estimate the vehicle's charging system output.
Notes regarding the charger's cooling fan operation and restarting the charging process.
