34
Y Series TechBook
34
• Measure water
temperature with a
DIGITAL thermometer
and compare its
reading with temp on
the display If temp
reading is different,
replace heater
• Remove spa cover and
let spa cool down
• Add cold water and
lower filter cycles
• If problem persists
replace spa pack
Remove
spa cover
and let
system cool
down, until
the error
clears
Replace
spa pack,
if problem
persists
Replace
spa pack,
if problem
persists
Measure water
temperature
with a DIGITAL
thermometer
Is the
temperature
reading on the
display correct?
yes
no
Add cold
water and
lower filter
cycles
Replace
heater, if
problem
persists
Water temp. in the spa has reached 108°F
OH error message / flow chart & step-by-step
Flow chart
Step-by-Step