Heater Doesn't Fire - Jandy AquaLink RS Troubleshooting Manual

S w itch system back
to A uto and go to the
C ontroller. Turn on
the pool filtration
pum p and enable the
pool heater; is the red
LE D on above the
pool heater button?
G o to the
P ow er
C enter;
S w itch from
A uto to
Heater
S ervice; turn
doesn't fire.
on the filter
pum p and
heater. D oes
the heater
fire?
®
P ress the m enu button,
scroll to T E M P S E T T IN G S
and check the pool therm ostat
setting. Is the pool therm ostat
set higher than the w ater
tem perature?
Ye s
F rom the green 10 pin
term inal bar of the
A quaLink R S B ezel,
N o
rem ove, and tw ist
together the tw o heater
w ires; does the heater
fire?
D oes the LE D
above the heater
button turn on?
R em ove w ater tem perature sensor
w ires and check its resistance (see
R esistance C hart on P age 9). Is
resistance w ithin specification?
Yes
N o
Yes
N o
Yes
N o
Yes
N o
20
S poradic operation can be traced
to one or m ore loose co nnections,
including those w ithin the heate r;
check all connections.
D isconnect the battery, turn off,
then on pow er to the system .
R echeck the heater. If the heater
still doesn't fire, the P ow er C enter
or C ontroller P C B m ay be
dam aged. R eplace the P ow er
C enter P C B first.
E ith er the P ow er C enter P C B or
C ontroller P C B is dam aged;
replace the P ow er C enter P C B
Yes
first.
R eset the therm ostat
N o
higher than the w ater
tem perature and retest
system .
R eplace the P ow er
C enter P C B .
E ith er the w ires to the h eater
are not connected properly or
the problem is actually in the
heater.
R eplace the P ow er
Yes
C enter P C B .
R eplace W ater
N o
Tem perature S ensor.