90-0115-00
10/97 Fltman.pm65
TROUBLESHOOTING
LED
Number
Indication
LED 1 Illuminates if the unit shuts down for any reason.
LED 2 Over-temperature. Allow to cool.
LED 3
The unit detected a failure. Call Heart Interface
Technical Support.
LED 4
Inverter overload caused by too large a load or
short circuit. Reset by cycling power switch or
plugging in incoming AC power.
LED 5
Battery overload caused by excessively discharged
batteries. Refer to page 40.
LED 6
Incoming AC backfeed. Potentially damaging to the
unit. Disconnect incoming AC power and correct
the situation.
LED 7
Triac thermal run away. Turn OFF and allow to cool
down.
LED 8
High battery voltage shutdown during charge mode.
Check all charging sources for proper voltage.
Reset by cycling the power switch.
LED 9-10 Not used for troubleshooting.
35
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