SEDEMAC
TM
Format No: SED-OHA-QF-06, Rev 01
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Page 15 of 19
7
Troubleshooting
Following table discuss about the common faults or errors observed during operation and possible
causes and remedies to overcome.
Table 4: Possible faulty conditions, causes and their remedial actions
Sr.
No.
Possible faulty
conditions
Possible causes
Remedial actions
1.
Continuously switching
between Blue and
Green LEDs
•
Battery charger’s
output short circuit
•
Check the output terminal
connections
2
Red led (Rightmost) is
ON
•
Reverse connection of
battery charger output
with battery (BAT+
connected to -ve
terminal of battery and
vice versa)
•
Check the output terminal
connections with battery
terminals
3
Mains failure indicator
(externally connected
bulb, LED, etc.)
connected across NO
terminal is off
•
Absence of AC mains
supply
•
Wrong connection of
input terminals (L,N,E)
of supply with the
battery charger
•
Check the presence of
mains
•
Check the input terminal
connections
8
Applicable Standards
•
EMI/EMC Standards: IEC 61000-6-2, IEC 61000-4-4, IEC 61000-4-5
•
Environmental Standards: IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-6, IEC60068-2-78,
IEC60068-2-30,IEC 60068-2-27
