42
Y Series TechBook
42
If 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 flow chart:
Nothing seems to work / flow chart & step-by-step
For 240 V systems:
Do you read 240 V between
line 1 & line 2, 120 V between
line 1 & neutral, 120 V between
line 2 & neutral on the board?
For 120 V systems:
Do you read 120 V between
line 1 & neutral?
yes
no
There is an electrical
wiring problem
Call an electrician
Verify 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 North American systems
Step-by-Step for North American version
Nothing seems to work!
• Verify 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
• You should get 240 V
• Measure voltage
between line 1
and neutral
• You should get 120 V
• Measure voltage
between line 2
and neutral
• You should get 120 V
• If you do not get good
readings, this indicates
an electrical wiring
problem
Call an electrician!
For 120 V systems
• Measure voltage
between line 1and
neutral
• You should get 120 V
• If you do not get good
readings, this indicates
an electrical wiring
problem
Call an electrician!
L2
N
L1
G
