Spa Builders MC-MP CE Service Manual
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Spa Builders MC-MP CE Service Manual

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Summary of Contents for Spa Builders MC-MP CE

  • Page 2: Table Of Contents

    Table of Contents Power & Ground Check Tools & Parts GFCI & Electrical Wiring Programming Jumper Positions Low Level Programming Error Conditions 3 Flashing Dots Appearing On Keypad Display 3 Flashing Dots & LED Displayed Display Is Flashing Wrong Temperature Appearing On Keypad Display HL (OH) Smart Winter Mode Troubleshooting...
  • Page 3 In an attempt to make this manual as useful as possible, it has been presented in two formats. Problem-solving solutions are described with Troubleshooting Flow Charts and also with Step-by-Step Procedures. The two formats together should provide an overall complete explanation, with flow charts providing an overview of specific problems, and step-by-step procedures giving more detailed information.

  • Page 4: Tools & Parts

    MC-MP system board Fuses (or complete spa pack) Top side control (keypad) Spa Builders System Group sells Professionnal Repair Kits that include everything needed for M•Class spa pack servicing. For more information, go to the last page of this manual.
  • Page 5 If GFCI is still tripping, disconnect There is Replace the incoming a problem GFCI. power line. with the cable. Is GFCI still tripping? Call an electrician. Replace board if GFCI is still tripping. MC-MP CE & AS Service Manual...
  • Page 6 230/240 VAC single-phase (2 x 16 A) 230/240 VAC single-phase (2 x 16 A) Not available in Australia and New-Zealand 230/240 VAC single-phase (2 x 16 A) Input supply wiring 230/240 VAC triple-phase (1 x 16 A) MC-MP CE & AS Service Manual...
  • Page 7 2• If it is not, verify GFCI wiring diagram component. and reconnect it. 3• If GFCI is properly connected, but still tripping, unplug all outputs, including heater and light cord wires. 4• If the GFCI still trips, replace transformer. MC-MP CE & AS Service Manual...
  • Page 8 If GFCI still trips, there must be a cable problem. Call an electrician! 2• If GFCI stops tripping. Replace GFCI. 3• If GFCI trips again, replace board. (Refer to "How to Replace the Board" section of this manual.) MC-MP CE & AS Service Manual...

  • Page 9: Jumper Positions

    Position 2: Not installed Position 2: Not installed Jumper 4: Pump 1 Jumper 8: Pressure Switch Position 1: Single-speed Position 1: With Pump 1 Position 2: Dual-speed Position 2: With circ. pump Default settings MC-MP CE & AS Service Manual...

  • Page 10: Low Level Programming

    Low Level Programming Certain system operating parameters can be configured from the keypad. This is normally done by Spa Builders or the spa installer, but may be done any time. Low Level Programming: To access low level programming, press and hold Filter key for 20 seconds, after which the first parameter code should appear on the display.
  • Page 11 MC-MP CE & AS Service Manual...
  • Page 12 Verify water valves. keypad display? Replace Replace If problem pressure pressure Try to adjust persists, switch cable. switch if pressure switch. replace problem board. persists. Replace pressure If problem switch if problem persists, persists. replace board. MC-MP CE & AS Service Manual...
  • Page 13 5• If you do not detect continuity, verify if pressure switch cable is 4• If you detect continuity, go to properly connected to pressure step #10. switch and board. MC-MP CE & AS Service Manual...
  • Page 14 Remove plastic cover and replace (Refer to "How to Adjust the cable. Pressure Switch" section of this manual.) 9• Replace board if error condition still persists. (Refer to "How to Replace the Board" section.) MC-MP CE & AS Service Manual...
  • Page 15 Replace the Board" section of this just pressure switch, if it is a new manual.) installation (less than two years) or replace it. (Refer to "How to Adjust the Pressure Switch" section of this manual.) MC-MP CE & AS Service Manual...

  • Page 16: Error Conditions

    Verify if temperature probe If error condition still is properly connected. persists, replace board. If so, replace probe and reset breaker. Replace board if error condition still persists. MC-MP CE & AS Service Manual...

  • Page 17: Flashing Dots & Led Displayed

    If it's not, verify if hi-limit probe is properly connected. Try to clean probe connector pins. Even a small coating of film can cause a bad connection. Reconnect probe and reset breaker. MC-MP CE & AS Service Manual...
  • Page 18 2• Make sure temperature probe is properly connected. If it is, replace probe and reset breaker. 3• Replace board if error condition still persists. (Refer to "How to Replace the Board" section of this manual.) MC-MP CE & AS Service Manual...
  • Page 19 MC-MP CE & AS Service Manual...
  • Page 20 "Heater" indicator spa cools filter cycle. on keypad display down (add should disappear. cold water Lower if needed). filter cycle Do you get a duration. 240 VAC reading between two heater wires on the board? MC-MP CE & AS Service Manual...

  • Page 21: Display Is Flashing

    2• Lower set point below current water temperature. "Heater" indicator should disappear from keypad display. 3• Remove spa cover. With a volt- meter, read the voltage between the two heater wires on the board. MC-MP CE & AS Service Manual...
  • Page 22 2• Make sure temperature probe is properly connected. If it is, replace probe. 3• Replace board if display is still flashing. (Refer to "How to Replace the Board" section of this manual.) MC-MP CE & AS Service Manual...
  • Page 23 MC-MP CE & AS Service Manual...
  • Page 24 (even a small coating of film may cause a bad connection). Reconnect the probe. Replace probe with a spare and verify if problem is solved. If it is, replace probe with spare. Replace board if problem persists. MC-MP CE & AS Service Manual...
  • Page 25 1• Verify if regulation probe (sensor located in spa) is properly 4• Replace board if problem connected. persists. 2• Disconnect probe connector and clean probe connector pins. Even a small coating of film may cause a bad connection. MC-MP CE & AS Service Manual...

  • Page 26: Flo

    Does FLO error condition persist? Replace Is it a new board. installation (less than two years)? Adjust Replace pressure switch. pressure switch. MC-MP CE & AS Service Manual...
  • Page 27 (See Jumper Section). 3• Clean filter and check for air blockages, closed trap valves or anything that could be restricting 4• Verify if pressure switch cable is water flow. properly connected to pressure switch and board. MC-MP CE & AS Service Manual...
  • Page 28 (Refer to "How to Adjust the Pressure Switch" section of this Remove plastic cover and replace manual.) cable. 8• Replace board if FLO error condition still persists. (Refer to "How to Replace the Board" section.) MC-MP CE & AS Service Manual...
  • Page 29 MC-MP CE & AS Service Manual...

  • Page 30: Flc

    Is it a new Replace installation pressure (less than switch cable. two years)? Adjust Replace pressure pressure switch. switch. Replace board. Replace pressure switch if FLC error condition persists when you start or stop pump. MC-MP CE & AS Service Manual...
  • Page 31 2• If FLO error condition occurs when manual.) pump is started, adjust pressure switch, if it is a new installation (less than two years) or replace it. (Refer to "How to Adjust the Pressure Switch" section of this manual.) MC-MP CE & AS Service Manual...

  • Page 32: Prr

    (even a small coating of film may cause a bad connection). Reconnect the probe. Replace probe with a spare and verify if problem is solved. If it is, replace probe with spare. Replace board if problem persists. MC-MP CE & AS Service Manual...
  • Page 33 1• Verify if regulation probe (sensor located in spa) is properly 4• Replace board if problem persists. connected. 2• Disconnect probe connector and clean probe connector pins. Even a small coating of film may cause a bad connection. MC-MP CE & AS Service Manual...

  • Page 34: Hl (Oh)

    HL (OH) Flow Chart If HL error condition occurs (potential Hi-Limit sensor or temperature probe problem), follow Troubleshooting Flow Chart below to identify the problem. Note: If remote heater is selected in the Low Level Programming, then this section does not apply. Steady message: The system has shut down because the temperature at the heater has reached 119°F (48°C).
  • Page 35 Proceed to page 36 if display doesn't show correct tem- perature. Try to clean probe connector pins. Even a small coating of film can cause a bad connection. Reconnect probe and reset breaker. MC-MP CE & AS Service Manual...
  • Page 36 5• If you do read 240 VAC, replace the board. (Refer to "How to Replace the Board" section of this manual.) 3• Remove the plastic cover. With a voltmeter, read the voltage between the two heater wires on the board. MC-MP CE & AS Service Manual...
  • Page 37 2• Make sure temperature probe is properly connected. If it is, replace probe and reset breaker. 3• Replace board if HL (OH) error condition still persists. (Refer to "How to Replace the Board" section of this manual.) MC-MP CE & AS Service Manual...
  • Page 38 Troubleshooting Flow Chart to identify the problem: Is the water temperature of the spa lower than the desired temperature? Do you read 230 VAC to the heater? Refer to "Spa not heating" section. The system is working properly. MC-MP CE & AS Service Manual...

  • Page 39: Smart Winter Mode

    If your reading is approx. ≈230 VAC, Smart Winter Mode is working properly. If you do not read ≈230 VAC, refer to the "Spa not Heating" section of this manual. MC-MP CE & AS Service Manual...
  • Page 40 If nothing still works, clean the transformer orange connector pins (even a small coating of film may cause a bad connection). Replace transformer if problem persists. Replace board if problem still persists. MC-MP CE & AS Service Manual...

  • Page 41: Nothing Seems To Work

    2 and neutral. voltage between line 1 and neutral. You should get ≈240 VAC. You should get ≈240 VAC. 3• If you do not get good readings, this indicates an electrical wiring problem. Call an electrician! MC-MP CE & AS Service Manual...
  • Page 42 4• Replace transformer if problem 2• Replace transformer fuse persists. if nothing still seems to work. 5• If problem is still not solved, replace board. (Refer to "How to Replace the Board" section.) MC-MP CE & AS Service Manual...
  • Page 43 MC-MP CE & AS Service Manual...
  • Page 44 Isolate back of probe with foam. heater wires connected correctly to the element? Replace temperature probe with spare. Try tightening wires to the board & element. Still not heating? Replace Replace board. element. MC-MP CE & AS Service Manual...
  • Page 45 "Heater" indicator will be on when heater is on. It will flash if more heat has been requested, but heater has not yet started or if system is in LC mode (see Jumper Section). MC-MP CE & AS Service Manual...
  • Page 46 If not, tighten wires to board and Replace board if you are not getting a reading of ≈240 VAC. element. 3• If problem persists, replace the element. MC-MP CE & AS Service Manual...
  • Page 47 MC-MP CE & AS Service Manual...
  • Page 48 Pump 3 fuse. Pump(s) still not working! Measure voltage on the board for both speeds. Do you get 240 VAC reading for both speeds? Replace Pump 1, Replace Pump 2 or Pump 3. board. MC-MP CE & AS Service Manual...
  • Page 49 If "Pump 1" indicator does not 4• If "Pump 1" indicator appears on appear, check jumpers. keypad display when Pump 1 key is pressed, verify if Pump 1 works in any of the speeds. MC-MP CE & AS Service Manual...
  • Page 50 5• If not, replace board. Turn Pump 1 to low speed and measure voltage between blue and black wire connectors: 240 VAC pump: P48 & P37 The reading shoud be: ≈240 VAC for a 240 VAC pump MC-MP CE & AS Service Manual...
  • Page 51 4• If "Pump 2" indicator appears on gramming first (see Low Level the display when you press Pump 2 Section). key, verify if Pump 2 works in any speed. MC-MP CE & AS Service Manual...
  • Page 52 5• If not, replace board. Turn pump 2 to low speed and measure voltage between blue and black wire connectors: 240 VAC pump: P45 & P22 The reading shoud be: ≈240 VAC for a 240 VAC pump MC-MP CE & AS Service Manual...
  • Page 53 If yes, refer to specific section. If it is, replace keypad. 2• Verify if Pump 3 is set properly. If not, replace board. Please note that Pump 3 is available only with the K-4.10 keypad (10 keys). MC-MP CE & AS Service Manual...
  • Page 54 2• If replacing the fuse does not work, The reading shoud be: take voltage reading on the board. ≈240 VAC for a 240 VAC pump 4• If voltage is correct, replace Pump 3. 5• If not, replace board. MC-MP CE & AS Service Manual...
  • Page 55 MC-MP CE & AS Service Manual...
  • Page 56 Replace is not getting blower enough air entry. fuse. Create an opening to allow more air under spa skirt. Replace board if blower still does not start. MC-MP CE & AS Service Manual...

  • Page 57: Blower Does Not Work

    (triangular icon will flash when blower is in low speed). 4• If "Blower" indicator still does not appear on keypad display, then replace the board. 2• Check if jumpers are set correctly. MC-MP CE & AS Service Manual...
  • Page 58 5• If blower does start up after cool down, it's possible that it is not drawing in enough air. 6• Enlarge the opening to allow more air into blower. MC-MP CE & AS Service Manual...
  • Page 59 MC-MP CE & AS Service Manual...
  • Page 60 12 VAC reading on light ouput Replace spa Replace spa on board light socket. light fuse. when light is on at highest intensity (steady indicator light)? Replace board if light is still not working. MC-MP CE & AS Service Manual...

  • Page 61: Light Does Not Work

    5• If you aren't getting a voltage read- If not, replace board. ing, replace light fuse on the board. 6• If the problem persists, replace board. (Refer to "How to Replace the Board" section.) MC-MP CE & AS Service Manual...
  • Page 62 240 VAC ozonator display? on the board? "Filter Cycle" indicator (steady indicator light) should light up on display. Replace Replace ozonator. ozonator fuse. Replace board if you still aren't getting a voltage reading. MC-MP CE & AS Service Manual...

  • Page 63: Ozonator Does Not Work

    (steady indicator light) appears 6• Replace board if you still don't on keypad. get a voltage reading. (Refer to If not, start up a filter cycle (refer "How to Replace the Board" to MC-MP-CE-AS User's Manual). section.) MC-MP CE & AS Service Manual...
  • Page 64 (2°F) above actual water temp. to start circulation pump. Do you read ≈240 VAC for 240 VAC circ. pump at circ. pump output on the board? Replace Replace circulation pump. circulation pump fuse. Replace board. MC-MP CE & AS Service Manual...
  • Page 65 3• Remove plastic cover and take voltage reading between circula- tion pump's brown and blue wire connectors. 240 VAC pump: P36 & P41 The reading shoud be: ≈ 240 VAC for 240 VAC pump MC-MP CE & AS Service Manual...
  • Page 66 Troubleshooting Flow Chart below to identify the problem: Verify Jumper #2. Make sure system is set for a 8- or 10-key keypad configuration. Unplug keypad and replace with spare keypad. Are keys working? Replace Replace keypad. board. MC-MP CE & AS Service Manual...

  • Page 67: Replace The Board

    8- or 10-key keypad configuration. 2• Replace keypad with a spare keypad. 3• Verify if keys respond correctly. 4• If they do, replace keypad. 5• If they do not respond, replace board. MC-MP CE & AS Service Manual...
  • Page 68 Lift up the cover on both sides and remove it from the power box. MC-MP CE & AS Service Manual...
  • Page 69 How To Replace The Board 7• Remove wing nut, open plastic 5• Remove the transformer. latch and carefully pull hi-limit rubber sensor out of place. 6• Disconnect ground cable. 8• Disconnect heater and pressure switch cables. MC-MP CE & AS Service Manual...
  • Page 70 19• Re-connect all connectors located screws. Remove screws. in the upper right corner of the power box. 20• Re-connect power input cables. Re-install Spa Pack cover and turn power back on. MC-MP CE & AS Service Manual...
  • Page 71 MC-MP CE & AS Service Manual...

  • Page 72: Replace The Heater

    2 heater con- pressure switch by pulling upwards nectors to top of blue plastic support (in no particular order). plate. Disengage heater wires. Be careful not to damage ceramic by twisting or bending. MC-MP CE & AS Service Manual...
  • Page 73 4• Unscrew the wing nut holding the high limit plate and release high limit rubber sensor from plate. 6• Remove pressure switch from plastic heater plate by turning counter-clockwise by hand. MC-MP CE & AS Service Manual...
  • Page 74 Any bending or twisting may cause damage to ceramic. Note: We recommend the use of an adjustable torque wrench (17 lb/in) to screw the top nut sufficiently. For more details, log on to: www.metapacks.com/a_tn.htm (GTN 9906) MC-MP CE & AS Service Manual...
  • Page 75 MC-MP CE & AS Service Manual...

  • Page 76: Install A Laing Heater

    3• Slide nylon sleeves into heater 6• Do the same with the pressure threaded studs. switch. MC-MP CE & AS Service Manual...
  • Page 77 8• Tilt bottom part of heater in position. 11• Tilt down hi-limit plastic latch and screw wing nut. 9• Screw plate nuts at opposite ends of 12• Connect pressure switch cables. heater support plate. MC-MP CE & AS Service Manual...
  • Page 78 How To Install a Laing Heater 13• Connect ground cable to board. 15• Adjust top holders in their final position. 16• Verify heater plate connections and 14• Connect heater cables to board. place pack cover. MC-MP CE & AS Service Manual...

  • Page 79: Adjust The Pressure Switch

    Turn pump off. The (3) flashing dots should not appear (restart procedure if (3) flashing dots appear). 5• When adjustment procedure is completed, apply Loctite 425 to the adjustment screw to secure it in place. MC-MP CE & AS Service Manual...
  • Page 80 5• Turn pump off and wait 30 seconds. You should not see the three flashing dots. 6• If you see an error, restart the adjust- ment procedure. If you are not able to adjust the pres- sure switch, change it. MC-MP CE & AS Service Manual...
  • Page 81 Professional Repair Kit All you need in one case! Gecko's professional repair kit contains all you need to service and repair Gecko's line of Metapacks. • Top side controls (keypads) • Temperature probes • Pressure switch cables • Flow switches •...
  • Page 82 J&J or AMP connectors COMPLETE SERVICE GUIDE WITH STEP-BY-STEP INSTRUCTIONS ON: Transformer GFCI Troubleshooting • Jumper Selection • Understanding & Correcting Keypad & probe connectors Error Conditions • System Malfunctions • Part Replacement Easy access to probes & switches Instructions •...

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