Problem Solving - pbq 12V/20A LiFePO4 Bedienungsanleitung

5. Problem solving

In case there is a problem or there is a suspicion the charger is not operating as expected,
first check which of the indication LEDs are on. If both the orange and the green LED are
blinking quickly ( ½ second on, ½ second off followed by a 1 second pause), they are
indicating an error.
The number of flashes, between the pauses are indicating the error code.
Next, consult the next tables to diagnose the problem.
Table 1: Fault diagnostics
Problem Possible causes
None of the LEDs No mains voltage.
are on.
Battery charger or mains
cable broken.
All LEDs are blinking Problem detected.
quickly.
Table 2: Error codes
Error code(s) Description
1, 2 , 3 Internal battery charger
problem.
4 Temperature too low.
5 Temperature too high.
7 Current too high.
9 Battery reverse polarity.
If the cause of the failure has been removed, the power supply / battery charger can be
restarted by disconnecting it shortly from the mains .
Solution
Check the mains voltage connection.
Consult Your supplier.
Count the number of flashes between
the pauses and consult table 2.
Possible causes and solution(s)
Restart battery charger. If the error is repeated
Consult Your supplier.
Move to a warmer environment and restart the
charging.
Let the charger cool down for 15 minutes and
restart the charging. Prevent direct sunlight.
If the problem persists please consult Your
supplier.
Cabling problem or other problem. Check cabling
and connections and restart. If unsuccessful
consult Your supplier.
Disconnect the battery and check the polarity.
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