Why is my BCDC Alpha flashing the Boost LED?
This information is applicable to the following BCDC Alpha chargers:
- BCDC Alpha25 DC Battery Charger (BCDC12025B)
- BCDC Alpha50 DC Battery Charger (BCDC12050B)
WHAT DOES THIS LOOK LIKE?
The BCDC Alpha Boost LED will flash.
This fault condition is a hard fault and therefore the control button LED will be on while the Boost LED flashes.
WHAT DOES THE FLASHING BOOST LED MEAN?
This fault indicates that the BCDC Alpha has detected that the auxiliary battery is under temperature to safely charge the battery. The fault condition will clear once the auxiliary battery’s temperatures return within the specified charging range.
WILL THE BCDC ALPHA STILL CHARGE MY BATTERY IN THIS CONDITION?
Once the BCDC Alpha detects a hard fault condition, the control status LED will illuminate (hard fault) and the BCDC Alpha will cease charging.
WHAT IS THE SPECIFIED CHARGING RANGE?
Please see Thermal Specifications below for your reference:
WHAT CAN CAUSE THIS FAULT MODE?
The auxiliary battery temperature is too low and has exceeded the charging temperature range therefore the BCDC Alpha has ceased charging.
HOW TO DETERMINE THE CAUSE OF THE FLASHING BOOST LED?
To determine the cause of the low temperature condition, it will require diagnostic testing. REDARC recommends seeking the support of an installer where possible, however please see below a list of the common causes and repairs.
A) BATTERY MOUNTING LOCATION
The mounting location can contribute to battery temperature, especially if mounted outside in regions subjected to colder climates.
Things to check:
- Check ambient temperature.
- If the outside temperature is below charging temperature range.
- Check and review battery mounting location.
- If subjected to very cold climates below the charging temperature range, consider relocating the battery.
Note: If using Lithium batteries, ensure the installation meets current standards, here is a tech tip more for information, see - Recreational Vehicle Standards Update