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57

SC-CF & SC-MP Service Manual

Keys Flow Chart

If any of the keys on the keypad do not seem to be working, follow 
Troubleshooting Flow Chart below to identify the problem:

Replace
keypad.

Unplug spa keypad

and replace with

spare keypad.

Replace

Spa Pack.

Set Jumper #3

properly.

Are keys

working?

yes

no

Is Jumper #3

set properly for 1 or

2 pumps?

yes

no

Make sure to use the proper keypad: K-35 keypad with SC-MP spa pack.

K-18, K-19 or K-9 keypad with SC-CF spa pack.

Also refer to Jumper Section (p. 10) to see if outputs are set correctly.

Summary of Contents for SC-CF

Page 1: ...SERVICE MANUAL SC CF SC MP SPA SYSTEMS TROUBLESHOOTING VISUAL STEP BY STEP GUIDE MORE TAKING OVER THE WAVES CLEARLY ADVANCED SPA SYSTEMS...

Page 2: ...isplayed 15 Display Is Flashing 19 Wrong Temperature Appearing On Keypad Display 23 FLO 25 FLC 29 Prr 31 HL 33 Miscellaneous WiringDiagrams 64 Professional Repair Kit Info 66 How to Replace The Spa Pa...

Page 3: ...etailed information Important Safety Information WARNING Risk of electrical shock All procedures described in this service manual must only be performed by qualified personnel in accordance with the s...

Page 4: ...al Repair Kits that include everything needed for SC CF and SC MP spa pack servicing For more information go to the last page of this manual Pliers Phillips flat screwdrivers 11 32 nut driver 1 4 open...

Page 5: ...4 SC CF SC MP Service Manual...

Page 6: ...P single and dual pump systems are available with a selection of keypads All the procedures and instructions described in the next pages are applicable to SC CF and SC MP systems equipped with one of...

Page 7: ...CI box and pack terminal bloc is essential 1 Carry out a visual inspection to check for signs of miswiring Refer to supplied wiring diagrams Call an electrician if necessary Electrical Box GFCI Pack T...

Page 8: ...if GFCI is still tripping There is a problem with the cable Call an electrician Unplug everything including the two blades of the heater light cord Is GFCI still tripping Reconnect one component at a...

Page 9: ...ippings may occur when total amount of current drawn by spa exceeds breaker rating A current leak to ground will also cause GFCI to trip If any of the components is faulty and a leak of more than 5mA...

Page 10: ...again replace Spa Pack If GFCI continues to trip carry out the following tests to correct the problem 1 If GFCI is properly connected but still tripping or Jumper 1 is set in LC mode for 120 VAC syst...

Page 11: ...start Jumper 2 Temperature Unit Jumper 2 is used to select the temperature unit Position 1 Temperature will be displayed in Fahrenheit degrees Position 2 Temperature will be displayed in Celsius degr...

Page 12: ...persists Do you have continuity on your voltmeter for pressure switch yes no Short pressure switch terminals with a jumper cable Replace pressure switch cable Replace pressure switch cable Remove any...

Page 13: ...wer may remain On when the following steps are carried out 5 If you do not detect continuity verify if pressure switch cable is properly connected to pressure switch and board 1 Verify if Pump 1 or ci...

Page 14: ...ion is older than 2 years replace the pressure switch and re calibrate it If installation is recent try readjust ing the pressure switch If this is not possible replace switch Refer to How to Adjust t...

Page 15: ...pa Pack if error condition still persists Refer to How to Re place the Spa Pack section of this manual 10 If you have continuity on pressure switch follow these steps Disconnect pressure switch cable...

Page 16: ...s HL probe properly connected Clean pins reconnect it and reset the breaker Verify if anything is obstructing water flow closed traps or dirty filters If error condition persists replace probe and res...

Page 17: ...lowing page if keypad display shows incorrect temperature 1 Take water temperature with a digital thermometer 2 If keypad display shows correct temperature a Check if heater barrel feels hot If it s h...

Page 18: ...ure probe is properly connected If it is replace probe and reset breaker 3 Replace Spa Pack if error con dition still persists Refer to How to Replace Spa Pack section of this manual 1 Verify if tempe...

Page 19: ...18 SC CF SC MP Service Manual...

Page 20: ...if temperature probe is touching water or if cold air from back can affect reading Remove spa cover even during the night Start blower if spa is equipped with one Wait until spa cools down add cold w...

Page 21: ...of hours 0 no filtration 12 continuous filtration When the desired setting is displayed press Light key again The filter cycle will start immediately 6 If you do read 240 VAC replace Spa Pack 3 Remove...

Page 22: ...t the following tests 2 Make sure temperature probe is properly connected If it is replace probe 3 Replace Spa Pack if display is still flashing Refer to How to Replace Spa Pack section of this manual...

Page 23: ...22 SC CF SC MP Service Manual...

Page 24: ...d Follow Troubleshooting Flow Chart below to identify the problem Replace Spa Pack if problem persists Check if regulation probe is properly connected Replace probe with a spare and verify if problem...

Page 25: ...order to carry out the following steps Power can remain On 1 Verify if regulation probe sensor located in spa is properly connected 3 Reconnect probe If wrong temperature is still displayed replace p...

Page 26: ...hen you try to start it from keypad Refer to Pump not Working section Remove anything obstructing filter Clear any air locks and verify water valves Verify if pressure switch cable is properly connect...

Page 27: ...f something restricts flow of water in piping The heater will automatically shut down when an FLO error condition occurs Power may remain On when the following steps are carried out Make sure circ pum...

Page 28: ...switch terminals with jumper cable 5 An FLC error condition should occur FLC error condition identifies pressure switch as source of problem Try readjust pressure switch If this isn t possible replace...

Page 29: ...28 SC CF SC MP Service Manual...

Page 30: ...ntify problem usually pressure switch problem pump is off but water pressure is detected Disconnect pressure switch cable on pressure switch Does FLO error condition occur when pump is on Adjust press...

Page 31: ...FLC error condition will occur Power may remain On when the following steps are carried out 2 Replace Spa Pack if FLO error condition does not occur 1 Disconnect pressure switch cable on pressure swi...

Page 32: ...Replace probe with a spare and verify if problem is solved If it is replace probe with spare Unplug probe connector and clean pins on the board even a small coating of film may cause a bad connection...

Page 33: ...main On 3 Reconnect probe If Prr error condition still persists replace probe with a spare and place probe head directly in spa water If problem is solved replace probe 4 Replace Spa Pack if problem p...

Page 34: ...ring filter cycle Lower filter cycle duration Replace Spa Pack Remove spa cover even during the night Start blower if spa is equipped with one Wait until spa cools down add cold water if needed yes no...

Page 35: ...filter b If HL error condition persists replace Spa Pack 3 If reading is 119 F or higher Proceed to following page if keypad display shows correct temperature Proceed to page 36 if keypad doesn t sho...

Page 36: ...value that represents the filter cycle duration in hours Use Down arrow key to lower the number of hours 0 no filtration 12 continuous filtration When the desired setting is displayed press Light key...

Page 37: ...ect temperature carry out the following tests 2 Make sure temperature probe is properly connected If it is replace probe 3 Replace Spa Pack if HL error condition still persists 1 Verify if temperature...

Page 38: ...120 VAC between line 1 neutral Is there a jumper cable connected between line 2 neutral Verify if keypad is connected correctly to board All eight pins must be plugged in and black wire must be on top...

Page 39: ...roblem Carry out the following tests to identify and correct the problem 4 If you do not get good readings this probably indicates an electrical wiring problem Call an electrician 1 Measure voltage be...

Page 40: ...al NothingWorks If you are getting good voltage readings but nothing seems to work carry out the following tests to correct the problem 1 Verify if keypad is correctly connected to the board 2 If noth...

Page 41: ...40 SC CF SC MP Service Manual...

Page 42: ...art below to identify the problem Take water temp and compare with temp value displayed on keypad Is difference greater than 2 F Is temp probe touching water or hot air rear affecting reading Isolate...

Page 43: ...one refer to section indicated by the error condition If the spa does not appear to be heating the water carry out the following tests to correct the problem 4 Use a digital thermometer to take water...

Page 44: ...ing a reading of 240 VAC If Heater indicator appears on the display but spa is still not heating carry out the following tests to correct the problem 2 If voltage reading is correct verify if heater n...

Page 45: ...44 SC CF SC MP Service Manual...

Page 46: ...eplace Spa Pack Does Pump 1 indicator appear on keypad display when you press Pump 1 key Is Pump 1 working in either speed yes no yes no yes no Measure voltage on the board for both speeds Do you get...

Page 47: ...is connected to pack Power must remain On 4 If Pump 1 indicator does not appear use a spare keypad to verify if keypad is defective If it is replace keypad If not replace Spa Pack 5 If Pump 1 indicat...

Page 48: ...If Pump 1 does not work in either speed carry out the following tests to correct the problem 2 If replacing the fuse is not effective or if Pump 1 works in only one speed take voltage reading on the b...

Page 49: ...48 SC CF SC MP Service Manual...

Page 50: ...keypad If still not working replace Spa Pack Does Pump 2 or Blower indicator appear on keypad display when you press Pump 2 or Blower key Is Pump 2 or blower working yes yes no no yes no Measure volta...

Page 51: ...lts This is normal It is important to measure voltage when pump is connected to pack Power must remain On 4 If Pump 2 or Blower indicator does not appear use a spare key pad to verify if keypad is def...

Page 52: ...ectors 240 VAC pump or blower P11 P17 120 VAC pump or blower P9 P11 Your reading shoud be 240 VAC for a 240 VAC pump or blower 120 VAC for a 120 VAC pump or blower If Pump 2 or blower does not work ca...

Page 53: ...52 SC CF SC MP Service Manual...

Page 54: ...pa Pack if light is still not working Replace spa light socket Does Light indicator appear on keypad display when you press Light key Replace keypad If still not working replace Spa Pack Try replacing...

Page 55: ...Light key 1 The first step is to replace the spa s light bulb 3 If Light indicator doesn t appear use a spare keypad to verify if spa keypad is defective If it is replace keypad If not replace Spa Pac...

Page 56: ...ared on keypad display Ozonator output will be shut down when Pump 1 Pump 2 or blower have been turned on manually Do you read 120 VAC for a 120 VAC ozonator or 240 VAC for 240 VAC on the board Is Pum...

Page 57: ...t will be shut down when Pump 1 Pump 2 or blower have been turned on manually 1 Verify if Filter Cycle indicator appears on keypad 2 If not start up a filter cycle Press and hold Light key for 5 secon...

Page 58: ...oblem Replace keypad Unplug spa keypad and replace with spare keypad Replace Spa Pack Set Jumper 3 properly Are keys working yes no Is Jumper 3 set properly for 1 or 2 pumps yes no Make sure to use th...

Page 59: ...If any of the keys do not seem to be working carry out the following tests to correct the problem 1 Verify that Jumper 3 is set prop erly for 1 or 2 pumps refer to page 10 for more info Jumpers Make s...

Page 60: ...eTheSpaPack When replacing a SC CF or SC MP spa pack it is important to make sure to turn power off before proceeding 1 Unplug Pump 1 Pump 2 or blower and ozonator connectors 2 Remove 2 screws from fr...

Page 61: ...ant to make sure to turn power off before proceeding 4 Disconnect power input cables 5 Disconnect light cables keypad and temperature probe con nectors 8 With wrenches free the board blades by removin...

Page 62: ...perly in place in its slot and slide new pack into position 11 Connect heater to the board blades It is important to hold both nuts when tightening If you bend or twist the end of the element you may...

Page 63: ...ping Then increase another full turn 4 Turn Pump 1 on at low speed and wait a few minutes If 3 flashing dots do not appear you have adjusted the pressure switch successfully If 3 flashing dots appear...

Page 64: ...sing pressure switch setting by very slowly turning adjustment screw clockwise until three flashing dots disappear then another full turn 4 Turn pump on at low speed for 30 seconds there should be no...

Page 65: ...eater Black 1 P20 Black 2 P21 Pressure Switch Green P25 Red P24 Ozonator Voltage 120v Green Ground P5 Black Line P16 White Neutral P8 Light Connector White 0 VAC P23 Black 12 VAC P22 The wiring diagra...

Page 66: ...Black 2 P21 Pressure Switch Green P24 Red P25 Ozonator Voltage 120v 240v Green Ground P5 P5 Black Line P16 P16 White Com P8 P19 Blower Voltage 120v 240v Green Ground P37 P37 Black Line P34 P34 White...

Page 67: ...res Transformer Ground lugs Grommets Standoffs Light cords Strain reliefs for light cord Plugs Fuse kits Screws Gecko s professional repair kit contains all you need to service and repair Gecko s line...

Page 68: ...itions System Malfunctions Part Replacement Instructions More 1 866 NEW SBSG 1 866 639 7274 www sbsg equipment com 9919 100392 Heater connectors J J or AMP connectors Easy access to probes switches 12...

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