
14
TROUBLESHOOTING
If your und rcount r unit is not op rating
prop rly, us th following troubl shooting
guid b for calling your Sub-Z ro authoriz d
s rvic c nt r. This guid will sav you tim
and troubl and may h lp you avoid th
xp ns of a s rvic call.
SERVICE is flashing in th LCD display.
This may indicat that th cond ns r n ds
cl aning. Follow th cond ns r cl aning
proc dur outlin d on pag 13.
This happ ns wh n th unit runs too long.
A t mp ratur s nsor may b faulty. If this
occurs, turn th unit off with th
UNIT
ON/OFF
k y pad and th n r start by
pr ssing th k y pad again. If SERVICE is
still flashing, call Sub-Z ro custom r s rvic
at 800-222-7820.
Und rcount r unit is not op rating.
Is th r l ctrical pow r to th unit?
Is th hom circuit br ak r or fus off?
Is th cond ns r ar a cl an?
Has th door b n l ft op n for an
xt nd d p riod? B sur that food is not
obstructing prop r door closing.
If th unit is still not running, it may b in
d frost mod .
Wait 30 minut s and try to r start again.
Und rcount r unit is warm r than usual.
Is th control s t prop rly?
Is th t mp ratur s t prop rly?
Is th cond ns r ar a cl an?
Is th air inl t block d?
Has th door b n l ft op n for an
xt nd d p riod? B sur that food is not
obstructing prop r door closing.
Has a larg amount of food b n add d
r c ntly?
Und rcount r unit runs for long p riods of
tim .
Is th cond ns r ar a cl an?
Has th door b n l ft op n for an
xt nd d p riod? B sur that food is not
obstructing prop r door closing.
Has a larg amount of food b n add d
r c ntly?
On hot days and in warm room t mp ra-
tur s, th motor runs long r.
Th r may b normal op ration nois s
r lat d to r frig rant circulation, fan op ra-
tion, ic mak r op ration, d frost cycl or
compr ssor op ration.
Und rcount r unit is frost d up.
Has th door b n l ft op n for an
xt nd d p riod? B sur that food is not
obstructing prop r door closing.
Is th door closing and s aling prop rly?
Contact your d al r if th door is not
adjust d prop rly.
You h ar unusual nois s.
Th s nois s may b normal op rating
sounds r lat d to r frig rant circulation, fan
op ration, ic mak r op ration, d frost
cycl or compr ssor op ration. Nois s may
b mor notic abl wh n th door is op n.
TROUBLESHOOTING GUIDE
CONTACT
INFORMATION
Sub-Z ro
Custom r S rvic :
800-222-7820
W bsit :
subz ro.com