Jacuzzi j315 User Manual Page 1

1Standard Troubleshooting ApproachS.T.A. Manual2004 Jacuzzi PremiumProtech LED Model Hot Tubs(J-315, J-325, J-335, J-345)

101.8 Satisfying The CustomerMost customers do not care what work you have done or what parts you have replaced, but they always care whether or not t

112.0 Electro Static Discharge2.1 ESD - What Is It? What Does It Do?Static electricity is always being generated around us, even at those t

123.0 Main System Speci cations J-345Dimensions ... 84” x 84” x 36” (213cm x 213cm x 92cm)Dry Weight ...

13Jet Selector / Air Control Operation DiagramSeat DepthsCDAJet Selector 2: Directs Jet Pump 2 Output Between Jet Groups C or D.Air Control 1: Opens

143.1 Main System Speci cations J-335Dimensions ... 84” x 84” x 36” (213cm x 213cm x 91cm)Dry Weight ...

15Jet Selector / Air Control Operation DiagramSeat DepthsA = 26.50” (67.3cm) F = 19.75” (50.2cm) Listed DimensionsB = 24.00” (60.1cm) G = 27.00” (6

163.2 Main System Speci cations J-325Dimensions ... 84” x 76” x 34” (213cm x 193cm x 86cm)Dry Weight ...

17Jet Selector / Air Control Operation DiagramSeat DepthsA = 27.00” (68.6cm) F = 31.25” (79.4cm) Listed DimensionsB = 27.25” (69.2cm) Represent D

183.3 Main System Speci cations J-315Dimensions ... 76” x 66” x 32” (193cm x 168cm x 81cm)Dry Weight ...

19Jet Selector / Air Control Operation DiagramSeat DepthsA = 26.50” (67.3cm) Listed DimensionsB = 28.00” (71.1cm) Represent Distance fromC = 27.

2The following symbol is placed throughout this manual for your protection. Always use extreme caution whenever performing repairs to electrical contr

20Heat Indicator: Lit when heater is on.Warmer Button: Increases water tempera-ture setpoint.Cooler Button: Decreases water tempera-ture setpoint.LED

21Standard Filtration Modes FØ - F3Heating in either of these modes (FØ - F3) is automatically controlled by the water temperature. If the hot tub wat

225.4 Lock/Unlock Control PanelThe control panel temperature display  ashes when Lock Mode is active. Lock Mode disables the jets and underwater ligh

235.5 Lock Out ModeThe control panel temperature display  ashes when the Lock Out Mode is active. Lock Out Mode disables all hot tub functions to per

24Turn off the main breaker to the hot tub. Refer to appendix page 55 for expected hi-limit sensor resistance/water temperature values.Remove the hi-l

25Remove the  lter and allow the air to bleed out of the cartridge. Check the  lter for trapped air.Check for the proper water level.Check for a clo

262.3.4.Plug in a new control panel. If the problem is corrected, replace the control panel. If the problem persists, proceed to step 3.Check the volt

278.0 Troubleshooting Without The Control Panel• Diagnostic Tools for Sections 8.1A - 8.1D: Clamp-on ammeter, voltmeter and ohmmeter.• Suggested Spa

288.1B No Heat Or Not Enough Heat• Symptoms: Circulation pump (heating pump) not turning, panel heat indicator not lit, panel is  ashing FL2.Stan

298.1C No Heat Or Not Enough Heat• Symptoms: Circulation pump (heating pump) not turning, panel heat indicator not lit, panel is  ashing FL1.Stand

3Table of ContentsChapter1.01.11.21.31.41.51.61.71.82.02.12.22.32.43.03.13.23.34.04.14.24.35.05.15.25.35.45.55.66.06.17.07.17.27.37.48.08.18.28.3Stand

308.1D No Heat Or Not Enough Heat• Symptoms: Circulation pump (heating pump) is turning, panel heat indicator not lit, panel is  ashing

318.1E No Heat Or Not Enough Heat• Symptoms: Circulation pump (heating pump) is turning, panel heat indicator not lit, panel is not  ashing FL1.Stan

328.2 Intermittent HeatingAs with all intermittent problems, routine measurements and display panel error messages are not trustworthy. T

338.3 Nothing WorksThings to remember: when a system fails, there is probably one, and only one problem. Verify power to the hot tub by observing the

348.5 House Breaker TripsThe hot tub’s current draw will vary depending on how it’s circuit board is jumpered. Jumper options determine whether multip

358.9.10.11.12.13.14.15.16.17.18.19.Is the GFCI utilized at the main panel?• Verify how it is hooked up.• If you are not licensed to properly change t

3620.21.22.23.24.25.26.27.28.29.30.What is the model and serial number of the hot tub?• This will help determine how the hot tub should be hooked up.D

3731.32.33.34.35.36.37.38.39.40.41.42.Are there any sprinklers that will hit the equipment bay of the hot tub?Eliminate The ComponentsDoes the hot tub

38North American 60Hz Installations:As of January 1, 1994, the National Electrical Code (NEC) requires a Ground Fault Circuit In-terrupter (GFCI) on a

398.7 No JetsThis is a condition of constant zero water pressure. The  rst step in diagnosing the problem is to determine if the pump i

4Chapter8.48.58.68.78.88.98.108.118.128.13A.A1.0A2.0A3.0A4.0A5.0A6.0A7.0A8.0A9.0A10.0A11.0A12.0A13.0A14.0A15.0A16.0A17.0A18.0A19.0Hot Tub Doesn’t Come

408.8 Weak Or Surging JetsWeak or surging jets are usually caused by an insuf cient water supply to the pump or a clogged or broken impeller. The wat

418.9 Pump Runs And Quits During Jet ModeThis is usually a problem of the pump overheating. The pump motor incorporates a ther-mal cutout that trigger

428.10 Circulation Pump Not WorkingThe circulation pump should be on for the programmed duration each day and for a heat call unless “Summer Logic” is

438.11 Troubleshooting A Thermal Pump Cutout1.2.3.4.Verify that the voltage to the hot tub is 240 VAC (120 or 240 VAC for J-315, J-325) ±10%. An insuf

44O38.13 Ozone not workingDiagnostic Tools: Clamp-on ammeter and voltmeter.Suggested Spare Parts (Page 59): Ozonator, circuit board, control panel.Sta

45Appendix

46A1.0 Checking Voltage To Hot TubCorrect supply voltage wiring to the hot tub is essential for safe/proper operation. The  rst step

47A2.0 Checking Voltages To DevicesDevice voltages are often measured at the circuit board to determine whether the board or the device is bad. If the

48A4.0 Testing The Flow SwitchWhen the “FL1” or “FL2” message appears, it means the  ow switch contacts have failed to close when the circulation pum

49A7.0 Understanding OzoneOxygen is an element, and like other gaseous elements, normally exists as a pair of atoms bonded together to make a whole mo

51.3 Professional Customer ServiceDoing your job in a way that keeps cost of service low and pro t margin high also creates customer satisfaction. Th

50A9.0 2004 J-315, J-325 Circuit Board Wiring Diagram (US/Canada 60Hz)US/Canada 60Hz Model• Circuit Board Type: ProTech LED, 6600-086.OzonatorO3GRNTB

51A10.0 2004 ProTech LED Circuit Board Wiring Diagram (US/Canada 60Hz)J-335, J-345 US/Canada 60Hz Models• Circuit Board Type: ProTech LED, 6600-088.T

52A11.0 Load Box Connection Diagram For J-335, J-345 (240 VAC only, 60Hz)RedPigtailNeutral BusGroundTB2TB1BlackGreenMainServicePanelwithGFCIHot TubLoa

53Load Box Connection Diagram For J-315, J-325 (120/240 VAC, 60Hz)RedPigtailNeutral BusGroundTB2TB1BlackGreenMainServicePanelwithGFCIHot TubLoad Box2-

54Load Box Connection Diagram For J-315, J-325 (120 VAC only, 60Hz)PigtailNeutral BusGroundTB2TB1BlackGreenMainServicePanelwithGFCIHot TubLoad Box2-Po

55A12.0 Temperature / Hi-Limit Sensor Resistance ChartFahrenheit (ºF)59.0 ...60.8 ...62.6 ...

56PINTINEPAPER CLIPConnector(Side View)Hi-limit Sensor, Temperature Sensor,And Flow Switch WiresFLOWA13.0 Flow Switch IllustrationFlow Switch #6560-85

57A15.0 Transformer TestTo Test The Transformer:1.2.3.Leave the transformer connector J4 plugged into the circuit board.Set your voltmeter to the high

58A16.0 Troubleshooting the Optional Stereo System (J-335 and J-345 only)The optional stereo system provides a marine AM/FM/CD stereo receiver with tw

59A17.0 Suggested Spare Parts (ProTech LED)Circuit Boards• 6600-088: J-335, J-345, 50/60Hz• 6600-088: All Export Models• 6600-086: J-315, J-325 Domest

64. • • •5. •6. • •7. • • •Question the homeowner to determine, if possible, what speci c component is not functi

60A18.0 Glossary Of TermsCircuit Board:Control Panel:Ammeter:Eprom:Flow Switch:Hi-Limit Sensor:Jumper:Ohmmeter:Ozonator:ProClear:Pin Assignments:Senso

61Troubleshooting Data Collection FormProtech LED ModelsBefore troubleshooting, collect the following:Customer NameAddressPhone ( )1.2.3.4.5.6.7.8

62Jacuzzi Premium14525 Monte Vista Avenue, Chino, CA, 91710, U.S.A.; Phone (909) 606-1416; Fax (909) 393-1583, Website: http://www.jacuzzipremium-deal

78.9.10. •11. •12. •13.Make Sure there is access to the main breaker and GFCI, and ask the homeowner to disconnect if possible before you

81. • •2. •3. •4. • •5. • •6. •7. •8. • •Know what each call is asking of you; determine whether or no

91.6 Before Calling Technical SupportMake sure you have followed the STA and  lled out a “Troubleshooting Data Col-lection Form” (see example on page