Troubleshooting - AirSep Focus Service Manual

8.0 Service
8.1
Note: At this
your Focus requires service, contact your Customer Service representative to
obtain an RGA and instructions for return to AirSep.

9.0 Troubleshooting

Problem
Unit does not turn on,
and AC power supply is
properly connected to a wall
outlet.
Unit does not turn on, and DC
power supply is properly
connected to an automobile,
RV, accessory outlet.
General malfunction; alarm is
activated.
Battery duration is less than
per specification.
.
Unit does not start on battery.
MN171-1 Rev. B
all repairs must be performed at AirSep's Service Department. If
,
Possible Cause
Wall switch power is off.
No power to unit.
Unit temperature has exceeded
battery operating temperature 5 to
40 o C.
AC power supply is not properly
connected to Focus.
Defective AC power supply.
No power at DC outlet
DC power supply is not connected
to accessory outlet or not connected
to Focus.
Defective DC power supply
Unknown
Unit overheats and will shut down.
Check air inlet and exhaust vents for
obstruction.
Unknown
Battery not fully charged.
Battery has been stored in a
discharged or 100% charged state
for prolonged period of time or
stored in a very high temperature
environment.
Battery reached cycle life.
Battery temperature has exceeded
battery operating temperature 5 to
o
40 C.
Focus is not turned on.
Battery is depleted
Solution
Turn on wall or outlet switch.
Reset household circuit
breaker.
Allow unit to cool before
starting.
Check connection from the
AC adapter to Focus.
Replace AC adapter.
Check fuse for DC outlet.
Connect DC power supply to
outlet of automobile after
ignition is started.
Replace power supply.
Return to AirSep.
Clear obstruction at air inlet
and exhaust.
Return To AirSep
Ensure that battery charges
for at least 3-1/2 hours and all
(4) LEDs are lit solid.
Replace battery.
Replace Battery.
Allow battery to cool before
starting.
Turn Focus on.
Replace battery