28
f nothing seems to work, turn off the main breaker and visually inspect power input cable, gently pulling on it
to make sure is properly tightened. Turn the main breaker back on and follow this troubleshooting ow chart:
othing seems to work / ow chart stepbystep
For sstems
Do ou read beteen
line line beteen
line neutral beteen
line neutral on the board
For sstems
Do ou read beteen
line neutral
yes
no
There is an electrical
wiring problem.
Call an electrician.
erify if keypad is connected
correctly to spa pack.
Replace
transformer fuse
Replace spa pack
if there is still nothing
on keypad display.
Flow chart
For orth American systems
StepbyStep for orth American version
othing seems to work
erify that all screws
are properly tightened
on the terminal block.
Turn power off and
make sure that all
cables hold firmly in
the terminal block
if you pull on them.
Once done, turn
power back on.
On the terminal block,
measure voltage bet-
ween line 1 and line 2.
o u should get 240 .
Measure voltage
between line 1
and neutral.
o u should get 120 .
Measure voltage
between line 2
and neutral.
o u should get 120 .
If you do not get good
readings, this indicates
an electrical wiring
problem.
Call an electrician
For 120 systems
Measure voltage
between line 1and
neutral.
o u should get 120 .
If you do not get good
readings, this indicates
an electrical wiring
problem.
Call an electrician
L2
L1