FRANKIA OPERATING MANUAL44 FRANKIA OPERATING MANUAL 45
• Flashes:
Battery protection safety mode: Battery temperature <-20/-30 °C or overtemperature +50 °C. Automatic
return and recharge at 2 °C lower.
• Flashes 1x:
Shutdown solar overvoltage: Load LED flashes 1x, then the controller switches to standby mode. Be
sure to check the solar module voltage (Voc)!
• “> 80%” (green):
Lights up: On-board batteries are almost fully charged. Solar controller is in the U1 charging phase.
• “Batterie voll / Battery/batteries full” (on-board batteries fully charged, green):
Lights up: Battery/batteries 100% charged, charge retention U2, finished.
Glows: The main charging process is still in the U1 charging phase.
Off: The main charging process is still in the I-phase.
If there is no solar power (at night), the operational readiness of the controller is indicated by a brief flashing of the
“Charge” LED (light emitting diode). A steadily flashing “Charge” LED indicates a possible fault in the system: Controller
overheated or a fault found in the self-test, battery too hot (> 50 °C) when using the battery temperature sensor. As
soon as there is sufficient solar power, the “Charge” LED lights up and the charging process begins. The brightness of
the “Charge” LED is also a measure of the solar power implemented: The brighter, the more of the available (even low)
solar power is passed on.
BCB Battery control booster:
The battery control booster monitors the batteries in every operating state. It ensures optimum charging and battery
maintenance in mains operation and in booster operation. It also monitors the batteries in standby mode without a
mains connection using a Pulser mode.
Remote control / Display panel:
The display panel is located on the device in the storage box of your vehicle. The “Display On/Off” button switches the
display off (e.g. night mode, only “Current” lights up dimly as an operating display) or on again.
Operating indicators:
• “Current” (charging current, red):
◦ Lights up: Mains or booster charging mode, lights up brighter or darker depending on the charging
current emitted.
◦ Off: the charging current is less than approx. 0.2 A.
• “Batt. I” (on-board battery, yellow):
◦ Lights up: Mains or booster charging, on-board battery is monitored and charged.
◦ Flashes: 1. Battery protection: Abnormal battery temperature >50°C (depending on type), Switchover
to low safety charging voltage and half max. charging current, automatic return at normal temperatures.
◦ 2. Control input “BMS” was activated by the LiFePo battery, i.e. charging stop.
◦ Goes out briefly every 2 s: Only for LiFePo: Batt._Temp below 0°C, the charging current can be reduced
to protect the battery for all types of charging, longer charging times for discharged batteries
◦ Off: no charging operation (safety switch is switched off).
• “Battery full” (on-board battery fully charged, green) with mains or booster charging:
◦ Lights up: Battery 100% charged, charge retention U2, U3 finished.
◦ Flashes: The main charging process is in the U1 charging phase, charge status display of approx.
75% at / 90% LiFePo (short flashing) gradually increasing to 100% (long flashing).
◦ Off: The main charging process is still in the I-phase.
• “Main charging” (main charge on-board battery, yellow) with mains or booster charging:
◦ Lights up: The main charging process is in the I or U1 charging phase.
◦ Off: Charge retention U2, U3 charging phase.
◦ Flashes:
1.Battery temperature sensor is at LiFePo charging characteristics not connected! 2. External
battery overvoltage > 15.2V delay 20s, automatic Reset < 13.2V (depending on type), delay 30s.
• “Batt. II” (start battery, yellow):
◦ Lights up: Booster mode (driving mode), start battery charges to the on-board battery.
◦ Flashes: Operating voltage at the “START” terminal is too low, the power control of the booster has
therefore reduced the output power by more than 30%
◦ Off: Booster not active.
• “Power” (mains, green):
◦ Lights up: The BCB has mains voltage or is active with 12 V for booster operation.
◦ Flashes: 1. Safety timer shutdown, charging I-phase took too long (15h), too many consumers or
battery defective (cell closure). Reset only by removing the signal at “D+/Kl.15” (engine,
ignition off) and pulling out the mains plug. 2. Internal device fault (overheating), automatic
reset after cooling.
◦ Goes out briefly every 2 s: “AC Power Limit” is active, the mains charging power is limited, Silent Run
(Night mode).
◦ short flashes every 20s: Without a charging source, the pulser in the BCB trains the on-board (lead) battery
.
(Note: This function is automatically deactivated in the LiFePo battery selection!)
◦ Off: no power supply and booster also not active, idle moded
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