HTRONIC HTC 4000BT Manual page 28

The connected battery is deep discharged (<10.5V).
7
The battery has reached the charging capacity of 30%.
8
The battery has reached the charging capacity of 60%.
9
The battery has reached the charging capacity of 90%.
10
11 The battery is charged and can be disconnected from the charger.
The battery is charged or recharged (trickle charge).
12
Fault – The battery is not connected correctly to the charger.
13
Fault – The battery is defective.
14
15 Temperature protection – The device is overheated.
The charger is protected against overheating. As the ambient temperature in-
creases, performance is reduced. A warming up of the charger during operation
may be experienced. This is absolutely normal. Do not place the charger on
heat sensitive surfaces.
16
Fault – A discharged battery could not reach a voltage above 7V within
24 hours.
Attention: If the charger does not go into „maintenance charge
mode" after a long charging period, the following reasons may be
the cause:
– The battery has a permanent leakage current of more than 300 mA.
– The battery is mounted in a vehicle and internal loads draw a permanent
current.
28 | Displayed LEDs