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40
en | Troubleshooting
7
Troubleshooting
Problem
BATT 1 indicator is
on
BATT 1 indictor is
blinking
Heartbeat indicator
not flashing
anymore
AC indicator off
2019-11 | 04 | F.01U.309.346
Reason
Battery is missing
Battery low
Power supply is
missing
230 V missing
Mains power
missing
NEV 400 LSN Power
Solution
Check battery
Connect battery or
replace battery
Check battery
Wait for battery to
charge
Check power
supply
Replace power
supply if necessary
Check the fuses
Bosch Security Systems B.V.
supply
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