Bosch ZEMO SU-E FS 12 Translation Of Original Operating Instructions page 203

9.1.4 Battery error
Symptom Cause/possible source
The battery discharges The battery may be at the end of its
quickly. useful life.
Is the charger mains plug firmly
connected to the socket?
Is the charger plug firmly connected to
battery?
The battery cannot be
recharged.
Is the adapter firmly connected to the
charger plug or the battery's charging
port?
Is the connection terminal for the
charger, charger adapter or battery
dirty?
The battery does not start
The battery may be at the end of its
charging when the
useful life.
charger is connected.
The temperature of the battery or the
The battery and charger
charger may have exceeded the
become hot.
operating temperature range.
If the charger is used continuously to
The charger is hot.
charge batteries, it may become hot.
Is the charger plug firmly connected to
battery?
The LED on the charger
does not light up.
Is the battery fully charged?
The battery cannot be
removed.
The battery cannot be
inserted.
Fluid is leaking from the
battery.
Table 57: Error solution for battery
MY22Z01 - 12_1.0_25.07.2022
Troubleshooting, fault clearance and repair
Remedy
 Replace old battery with new one.
1 Disconnect the charger mains plug and plug it in again.
2 Repeat charging process.
3 If the battery still won't recharge, contact your specialist
dealer.
1 Disconnect the charger mains plug and plug it in again.
2 Repeat charging process.
3 If the battery still won't recharge, contact your specialist
dealer.
1 Connect the adapter firmly to the charger plug or the battery
charging port.
2 Start the charging process again.
3 If the battery still won't recharge, contact your specialist
dealer.
1 Wipe with a dry cloth to clean the connection terminals.
2 Repeat charging process.
3 If the battery still won't recharge, contact your specialist
dealer.
 Replace old battery with new one.
1 Interrupt charging process.
2 Wait a moment.
3 Repeat charging process.
4 If the battery is too hot to touch, there might be a problem with
the battery. Contact specialist dealer.
1 Wait a moment.
2 Start the charging process again.
1 Check connection for any contaminants.
2 Insert charger plug again.
3 Contact your specialist dealer if there is no change.
1 The LED on the charger will go out when the battery is fully
charged. This is not a malfunction.
2 Disconnect charger mains plug.
3 Insert mains plug again.
4 Repeat charging process.
5 Contact your specialist dealer if the LED on the charger still
doesn't light up. Contact specialist dealer.
 Contact your specialist dealer.
 Contact specialist dealer.
 Observe all the warnings in Section 2 Safety.
202