Troubleshooting - Samlexpower SEC-1215UL Owner's Manual

SECTION 5 |
In a DC UPS (Un-interruptible Power Supply) , the charger simultaneously powers the DC
load as well as the battery. As long as the AC power to the charger is available and the
charger is working normally, the charger will supply the DC load as well as charge/float
the battery. In case the AC power fails or if the charger stops working, the battery will
automatically power the DC load. As soon as the AC power to the charger is restored ,
the DC load will once again be fed by the charger and at the same time the battery will
be recharged.
!
CAUTION!
Please ensure that the sum of the current drawn by the DC load and the current
desired for charging the battery is less than the maximum current capacity of
the charger.
To use as a DC UPS, first switch off the DC load and connect it to the battery. Now
connect the battery as explained under "Charging a Battery outside the Vehicle"
(Section 5.3.2). Switch on the charger and then switch on the DC load.
SECTION 6 |
6.1 SYMPTOMS: CHARGER POWERED AND CONNECTED TO THE BATTERY
6.1.1 Red LED (2 in Figs 2.1 to 2.3) is OFF
The DC side fuse may have blown due to wrong polarity of battery connection.
Ensure Positive of the battery is connected to the Positive of the charger and the Nega-
tive of the battery is connected to the Negative of the charger. Check the fuses inside
the charger and replace, if blown.
The battery may be shorted. In this condition, the unit is shut down by the short circuit
protection circuit. Remove the battery connection. If the Red LED now comes on, the
battery is shorted. If the Red LED still does not come on, check if there is AC power in
the receptacle. If there is power, check the AC side fuse inside the unit. If the fuse is not
blown, call Technical Support.
6.1.2 Red LED (2 in Figs 2.1 to 2.3) is ON but the Ammeter Shows No Reading
The battery is fully charged. If the battery is not fully charged, the connection to the bat-
tery may be loose or open. Check tightness and continuity of the battery connection.
6.1.3 The Battery Is Getting Over Charged or Boils
The charger is also feeding other DC load(s) in parallel with the battery. The DIP Switch
is not selected for "Battery with Load". Change DIP Switch setting to "Battery with
Load" (see Section 5.2.2 and DIP Switch Settings at Tables 5.1 and 5.2).
Installation & Charger Operation

Troubleshooting

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