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Y Series TechBook
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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 230 V AC system:
1 -phase: Do you read 230 V AC
between L1-N ?
2-phases: Do you read 230 V AC
between L1-N and L2-N?
3-phases: Do you read 230 V AC
between L1-N, L2-N and L3-N?
3-phases Delta: Do you read 230
V AC between L1-L2, L1-L3 and
L2-L3?
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 European systems
