Heat Controller SMA 09 - Troubleshooting Tips

Heat Controller, Inc. OWNER’S MANUAL SMA/SMH
12
Troubleshooting Tips
Stoptheairconditionerimmediatelyifoneofthefollowingerrorsoccurs.Disconnectthepowerandcontact
anauthorizedservicer.
Callfor
serviceif
OPERATIONindicatorlightashesrapidly(5timeseverysecond)andthiscan’tbexedbydis-
connectingthepowerandthenreconnectingit.
Fuseblowsorcircuitbreakertripsfrequently
Otherabnormalsituations(suchasburningsmells)thatcan’tberesolvedusingthestepsoutlined
below.
Symptoms Possible Cause/Things to Check What should be done?
Unitdoes
no start or
operate at
all
Istherepowersuppliedtotheunit?
Waitforthepowertoberestoredorcallan
electriciantoaddressanypowersupplyproblem.
Fusemayhaveblownoutoracircuit
breakerhasbeentripped.
Replacethefuseoripthecircuitbreaker.
Batteries in remote controller may be dead
or installed incorrectly.
Replace the batteries and ensure the polarities
are correct.
Istheunit’stimerset? Wait or cancel timer setting.
Poor cooling
or heating
(heatpump
modelsonly)
performance
Inappropriate temperature setting. Set temperature correctly.
Airltermaybeblocked Cleantheairltertopreventairowblockages.
Doorsorwindowsareopen.
Closethedoorsorwindowswithinthearea
beingcooled/heatedtoincreaseefciencyand
performance.
Airinletoroutletofindoororoutdoorunit
areblocked.
Clearobstructionsaway,thenrestarttheunit.
Compressortimedelayhasbeenactivated
Waitapproximately3minutesforthecompressor
to turn on and the unit to begin cooling/heating.
Iftheproblempersistsafterperformingthesechecks,orifyounoticeburningsmells,ortheoperation
indicatorlightashesrepeatedly,immediatelystopoperation,disconnectthepower,andcallanauthorized
servicecenter.