Rinnai HE Series How To Use Manual page 189

Code e LC, LC0
NOTE E: Before serv icing product
1 . Flush heat e exchanger per
2 . NOTE; the L C, LC0 – LC9 c
Th he display wi ll alternate be
co ontinue to be eep.
O On older produ uct you can r
o n.
On newer prod O duct there is a
by y the unit sca aling up. See r
• LC, 00, or L LC0 – LC9 ind
exchanger and that it n
to the flus hing instruct
be treated d to prevent
exchanger. . The above
function, s see below h
To operate e the water h
•
can be flus shed, push t
times. ( un nit will opera
Example: L LC2 indicate
without fl ush and har
A After tempor rarily reset, c
a nd LC#
After flushing unit t, the proced
Push the t two switches
•
• Unit will re eturn to nor
This h hard reset pr rocedure is n
– LC9 T roublesh
Scale build‐ up in Heat Exc
t disconnect p power supply
r recommend ded flushing p
codes are the e only codes t
etween the L C codes and t
eset the LC co ode by turnin
a shutdown f feature built i
reset function n for these un
dicates that there is a sc
needs to be flushed to p
tions in the owner's ma
scale build‐u up or damag
e codes will l lock the uni
ow to reset .
heater temp porarily until
he on/off bu utton on tem
ate for 70hrs s and lock ou
es unit has b een reset fo
rd reset.
controller w will cycle bet
dure to rese t LC codes:
s (A & B) on PCB at the s
rmal operatio on and LC# c
not in owner rs/installatio
37
hooting Procedu
changer
y to the unit.
procedure fou und in unit's o
that will allow w a unit to con
the temperat ture setting. T
ng off the pow wer and then
into the prod uct to preven
nits below:
cale build‐up p in the heat
prevent dam mage. Refer
nual. Hard w water must
ge to the hea at
t out requir ring a reset
l the heat ex xchanger
mperature co ontroller 5
ut with anoth her LC code)
or 3 ‐ 70hr pe eriods
tween set te emperature
same time fo or 5 seconds
count return ns to 0.
on manual o or tech shee
ure
owner's man ual.
ntinue to ope erate.
The controlle r will
turning it bac ck
nt damage ca used
t
)
s.
et.