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8. Warnings and Errors
Installing, commissioning and maintaining the system may only be done by a
qualified electrician.
8.1 BATTERY ERROR
Error generates if the batteries are not connected, or the batteries are faulty. Check the
batteries. If the battery is OK, check the fuse, and replace if neecssary.
8.2 BATTERY OVERVOLTAGE
Battery voltage has exceeded 28 volts. Using the battery may be dangerous. Stop battery
recharging by disconnecting the CBU from mains, and check the system for malfunctions.
8.3 DEEP DISCHARGE
Battery voltage has dropped below 19,6 volts. Error will be removed, after the battery voltage
exceeds 19,6 volts, and the user aknowledges the error message by pressing teh selection
button. During the error, the CBU will be in power save mode.
8.4 BATTERY UNDERVOLTAGE
Battery voltage has dropped below 19,6 volts. After the batteries have been recharged, the
error message dissappears automatically.
8.5 TEMPERATURE ERROR
Battery temperature is below +10°C or over +50°C. The error might also occur, if the
temperature sensor is faulty, or connected wrong.
8.6 MAINS NOT PRESENT
Mains is not present. If the CBU is connected to mains, check the fuses.
8.7 MOSFET circuit board number
Circuti board transistor is faulty. Change the circuit board (available as spare part, contact
Teknoware Techical Service).