TROUBLESHOOTING
Symptoms
No highlight of LED Diodes
The device emits a constant
beeping alarm during mains
power supply. Very short time
of hold-up during the operation
of battery.
Despite the availability of power
supply the device switches to
battery operation.
DESCRIPTION OF INDICATORS AND COUPLINGS
EN
Possible causes
Low Battery
Faulty battery
POWER button is not pressed
The device is overloaded
The battery is discharged
The battery is damaged
Power plug is disconnected.
Suggested solution
Charge the battery for at least
8 hours
Replace the battery with a new
one of the same type
Press the POWER button again
Check the load of the device
and compare it with technical
specification. Disconnet some
devices.
Charge the battery for at least
8 hours.
Replace the battery for a new
one of the same type.
Check and correct the connec-
tion of the power plug.