Chapter Page
8.0 Troubleshooting Without The Control Panel ...................................................................................... 27
8.1A No Heat Or Not Enough Heat .................................................................................................................. 27
8.1B No Heat Or Not Enough Heat .................................................................................................................. 28
8.1C No Heat Or Not Enough Heat .................................................................................................................. 29
8.1D No Heat Or Not Enough Heat .................................................................................................................. 30
8.1E No Heat Or Not Enough Heat .................................................................................................................. 31
8.2 Intermittent Heating ................................................................................................................................... 32
8.3 Nothing Works ........................................................................................................................................... 33
8.4 Hot Tub Doesn’t Come On For Filter Cycle ................................................................................................ 33
8.5 House Breaker Trips ................................................................................................................................... 34
8.5A GFCI Tripping.......................................................................................................................................... 34
8.6 Hot Tub Light Will Not Come On .............................................................................................................. 38
8.7 No Jets ....................................................................................................................................................... 39
8.8 Weak Or Surging Jets ................................................................................................................................. 40
8.9 Pump Runs And Quits During Jet Mode ..................................................................................................... 41
8.10 Circulation Pump Not Working ................................................................................................................ 42
8.11 Troubleshooting A Thermal Pump Cutout ................................................................................................ 43
8.12 Pump Hums And Will Not Start ............................................................................................................... 43
8.13 Ozone not working .................................................................................................................................. 44
Appendix ................................................................................................................................................... 45
A1 Checking Voltage To Hot Tub ...................................................................................................................... 46
A2 Checking Voltages To Devices ..................................................................................................................... 47
A3 Checking Current Consumption Of Devices ............................................................................................... 47
A4 Testing The Flow Switch ............................................................................................................................. 48
A5 About Fuses ................................................................................................................................................ 48
A6 The Watchdog “---” ..................................................................................................................................... 48
A7 Understanding Ozone ................................................................................................................................. 49
A8 Understanding pH ...................................................................................................................................... 49
A9 2006 LED Series J-315 / J-325 Board (USA/Canada 60 Hz) ......................................................................... 50
A10 2006 LED Series J-325 / J-335 / J-345 Board (USA/Canada 60 Hz) ........................................................... 51
A11 Load Box Connection Diagram For J-325, J-335, J-345 (240 VAC only, 60Hz) ......................................... 52
A12 Temperature Sensor / Hi-Limit Sensor Resistance Chart ............................................................................ 55
A13 Flow Switch Illustration (All LED Models) ................................................................................................ 56
A14 LED Sensor Harness Diagram.................................................................................................................... 56
A15 Transformer Test ....................................................................................................................................... 57
A16 Troubleshooting the Optional Stereo System (J-335 and J-345 only) ......................................................... 58
A17 Suggested Spare Parts ............................................................................................................................... 59
A18 Glossary of Terms...................................................................................................................................... 60
A19 Troubleshooting Data Collection Form ..................................................................................................... 61
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