38
North American 60Hz Installations:
As of January 1, 1994, the National Electrical Code (NEC) requires a Ground Fault Circuit In-
terrupter (GFCI) on all hot tub installations in the US. A GFCI must be wired correctly or it will
trip. Make sure the electrician has wired the GFCI according to the diagrams on page 52.
8.6 Hot Tub Light Will Not Come On
Diagnostic Tools: Voltmeter.
Suggested Spare Parts (Page 59): Control panel, circuit board, light bulb, light har-
ness.
Standard Troubleshooting Approach
Press Light Button on
control panel.
Do you hear a relay
click on the circuit
board?
Replace control panel.
Replace circuit board.
Change light bulb.
Is there 12 VAC at test
points 12 and 13?
Is connection between
circuit board and light
OK?
Plug in spare control
panel then press Light
Button.
Did you hear a relay
click on the circuit
board?
No
Replace circuit
board.
No
Ye
s
Ye
s
Ye
s
Yes
No
Correct
connection.
No
Circuit Board Illustrations
A. 2002+ Protech LED Models (Page 50-51)
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Ex
-
treme Caution While Servicing Circuit Board.