10/2018 7
Maintenance
The self-testing emergency driver automatically performs required routine testing. Results are reported
to maintenance personnel via the indicator light in the test switch.
Maintenance personnel should periodically check the indicator light. If the indicator light is flashing,
follow the steps outlined in the Troubleshooting Guide.
Failure status will be reset when the unit passes:
The next automatic test, or
Briefly pressing the 3 wire Illuminated Test Switch for at least 5 sec.
CAUTION: To replace fuse, disconnect AC power for both switched &
unswitched lines from the fixture. Replace fuse in the fuse holder. Output light
should turn on in Emergency Mode. Supply AC power to fixture. Output light will
change to Normal Mode. Illuminated Test Switch indicator light should be
illuminated. Contact manufacturer for fuse replacement.
Troubleshooting Guide
The below table provides the different indicators and their corresponding translation in terms of status
of the Emergency driver.
STATUS INDICATOR PROBLEM CORRECTIVE ACTION
Light ON, not flashing
None None, unit is operating correctly.
Flashing 1 time in 20
seconds
Battery not
connected
Ensure the battery connector is engaged
properly to the emergency driver. Check
battery wiring and battery pack fuse.
Flashing 2 times in 20
seconds
Battery Low
Charge the battery for one hour. If fault
persist, check battery wiring and
Flashing 3 times in 20
seconds
Ensure AC input wiring and battery wiring
is correct.
Flashing 4 times in 20
seconds
Output Error
Check output/battery wiring & load for
open circuit or short-circuit. Ensure that
fixture wiring is in accordance with proper
diagram.
Check LED load is operational and
specified for emergency driver application
OSRAM SYLVANIA Inc.
200 Ballardvale Street
Wilmington, MA 01887 USA
1-877-636-5267
www.osram.us/ds
ECS-352
OSRAM and OPTOTRONIC are registered trademarks of OSRAM GmbH.
Specifications subject to change without notice.
© 2018 OSRAM SYLVANIA Inc.
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