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Gecko MSPA-1-AS, Service Manual

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Gecko MSPA-1-AS Service Manual Download Page 54

53

MSPA-1-AS

9• Disconnect the heater by loosen-

ing the two screws P32 & P33 
at the bottom of the board.

11• The board is held in place by means 

of six plastic standoffs (*). Release 
these gently using a pair of pliers.

12• Gently remove the board by 

releasing its left part first.

*

On models manufactured before 1999, loosen the 6 screws.

10• Loosen the two triac screws 

while holding them with a pair of 
pliers to prevent damage, then 
remove the ground screw.

HOW TO

Replace the Board

Summary of Contents for MSPA-1-AS

Page 1: ...MSPA 1 AS ServiceManual Visualstep by stepguidetoeasily identify correcttechnicalproblems GECKO...

Page 2: ...2 How to Replace the Board 51 Replace the Heater 55 Adjust the Pressure Switch 57 Troubleshooting Nothing Works 27 Spa Is Not Heating 31 Pump 1 Does Not Work 35 Pump 2 Does Not Work 38 Blower Does Not...

Page 3: ...he wiring diagram at the end of this manual All information given subject to technical modifications without notice In order to be as helpful as possible most sections of this manual were written in t...

Page 4: ...spa pack Transformer Pressure switch Fuses Top side control The following tools test equipment and components are necessary to perform service calls on an MSPA 1 AS Power Spa Pack Notes The equipment...

Page 5: ...Service manual 4 Notes...

Page 6: ...I still tripping Replace the GFCI Replace the board The cable is defective Call an electrician Replace the transformer Reconnect one component at a time until the GFCI starts tripping Replace the defe...

Page 7: ...for signs of miswiring Refer to the supplied wiring diagram Call an electrician if necessary POWER GROUNDCHECK ElectricalWiring INPUT CABLE LINE GROUND LINE 1 NEUTRAL LINE 2 NEUTRAL USE OP TIONAL JUMP...

Page 8: ...the GFCI trip If one of the components is faulty and there is a leak of more than 5 mA the GFCI will trip to prevent electrocution Several different models of GFCIs are available on the market Note th...

Page 9: ...Service manual 8 Notes...

Page 10: ...or your spa pack s specific functions Jumper location Position 2 Position 1 1 The jumpers are located on the upper right section of the board Jumper JMP1 Current limiting option Jumper JMP1 is used to...

Page 11: ...Service manual 10 Notes...

Page 12: ...e pump running Refer to the Pump Does Not Work section Remove anything that may be obstructing the filter Clear any air locks verify the water valves Verify if the pressure switch cable is properly co...

Page 13: ...ssage can appear if the spa filter is dirty or if something is limiting the flow of water in the piping For systems manufactured from 1998 onward the heater is automatically turned off whenever the FL...

Page 14: ...the installation is recent try to adjust the pressure switch If this is not possible replace the switch Refer to the respective section of this manual 6 If the FLO message does not disappear on the d...

Page 15: ...Service manual 14 Notes...

Page 16: ...FLO message appear when the pump is running Adjust the pressure switch Is the installation recent less than 2 years Replace the pressure switch cable If the FLC message is still displayed when you st...

Page 17: ...place the board referring to the How to Replace the Board section of this manual 1 Disconnect the pressure switch If the FLO message appears when the pump is started adjust the pressure switch in the...

Page 18: ...troubleshooting flow chart below to identify the source of the problem Replace the board The water temperature must be over 36 F 2 C for the spa to operate Verify if the temperature probe is properly...

Page 19: ...is manual 3 Reconnect the probe If the Prr message is still displayed replace the probe by a spare one and place its head directly in the spa water If the problem is solved replace the defective probe...

Page 20: ...ce the defective sensor Unplug the sensor connector and try to clean the pins on the board using a screwdriver a small coating of film may cause a bad connection Reconnect the sensor The Prh message i...

Page 21: ...touching the heater barrel is properly connected to the board 3 Reconnect the sensor If the Prh message is still displayed replace the high limit sensor by a spare one and verify if the problem is sol...

Page 22: ...wer the filter cycle duration Replace the board Remove the spa cover even during the night Start the blower if your spa is equipped with one Wait until the water temperature cools down add cold water...

Page 23: ...d on the top side control Go to page 24 if the top side control does not display the right temperature 1 With the help of a digital thermo meter measure the temperature of the water 2 If the reading i...

Page 24: ...a digital thermometer reading of the water temperature is 119 F 48 C or higher while the right temperature is displayed on the top side control proceed as follows 3 Remove the plastic cover Using a m...

Page 25: ...y if the temperature probe is properly connected to the board If it is replace the probe 3 If the HL message is still displayed replace the board referring to the How to Replace the Board section of t...

Page 26: ...Follow the troubleshooting flow chart below to identify the source of the problem Is the water temperature in the spa lower than the set point Do you read 230 VAC to the heater ter minals on the board...

Page 27: ...re is lower than the desired temperature or set point remove the plastic cover and measure the voltage to the heater If you read 230 VAC the freeze protection of the system is working properly If you...

Page 28: ...played on the top side control replace the transformer fuse F6 The electrical wiring is defective Call an electrician Replace the board yes no If nothing seems to work follow the troubleshooting flow...

Page 29: ...ram If the equipment is connected but nothing seems to work the power supply must be defective Refer to the Power Ground Check section of this manual If required proceed as follows 3 If you do not get...

Page 30: ...the pins of the transformer orange connector using a screwdriver a small coating of film may cause a bad connection 4 If the system still does not work replace the transformer 5 If the problem is not...

Page 31: ...Service manual 30 Notes...

Page 32: ...e reading on the top side control Is the difference greater than 2 F 1 C Verify if the temperature probe is in contact with the water or if hot air from the back can affect its reading Use foam to ins...

Page 33: ...oblem still persists replace the board referring to the How to Replace the Board section of this manual If the Heater marker does not appear 2 If not verify if you can call for heat by increasing the...

Page 34: ...a is still not heating proceed as follows 2 If the voltage reading is correct verify if the two heater wires are properly connected both to the board and to the element If necessary tighten the two wi...

Page 35: ...Service manual 34 Notes...

Page 36: ...u press the respective key Is the pump running at either speed yes no yes no yes no Measure the voltage for both speeds Do you read 230 VAC for both speeds to the pump terminals on the board yes no Re...

Page 37: ...top side control If so refer to the message specific section of this manual 3 If the Pump 1 marker is not displayed use a spare top side control to see if the first is defective In the latter case re...

Page 38: ...as follows 2 If replacing the fuse is not effective or pump 1 only runs at one speed measure the voltage for both speeds on the board as explained below 3 Turn pump 1 to low speed and measure the vol...

Page 39: ...top side control If so refer to the message specific section of this manual 3 If the Pump 2 marker is not displayed use a spare top side control to see if the first is defective In the latter case re...

Page 40: ...e speed measure the voltage for both speeds on the board as explained below 3 Turn pump 2 to low speed and measure the voltage between the pump terminals P14 P24 on the board You should read 230 VAC 4...

Page 41: ...Service manual 40 Notes...

Page 42: ...Do you read 230 VAC to the blower terminals on the board Replace the blower fuse F7 Replace the top side control It may be that the blower does not have enough air entry Create an opening to let more...

Page 43: ...eplace the defective top side control If the original top side control is not defective replace the board referring to the How to Replace the Board section of this manual Blower marker To increase the...

Page 44: ...ing is still not correct replace the board 4 If the voltage reading is satisfactory verify if you can restart the blower a few minutes after it was shut down If the blower does not restart after cooli...

Page 45: ...Service manual 44 Notes...

Page 46: ...fuse F1 Replace the board Replace the spa light socket Is the Light marker displayed when you press the respective key Replace the top side control Replace the board Replace the light bulb Does the pr...

Page 47: ...reading is not correct replace the light fuse F1 on the board 6 If the problem persists replace the board referring to the respective section of this manual Light fuse F1 2 If the spa light still does...

Page 48: ...problem Is the Filter Cycle marker displayed when you press the respective key Do you read 230 VAC to the ozonator terminals on the board Replace the ozonator fuse F3 Start a filter cycle The respecti...

Page 49: ...am 3 If the voltage reading is correct replace the ozonator Filter Cycle marker 4 If the voltage reading is not correct replace the ozonator fuse F3 on the board 5 If the problem persists replace the...

Page 50: ...e troubleshooting flow chart below to identify the source of the problem Replace the defective top side control Replace the top side control by a spare one Replace the board Are the keys working yes n...

Page 51: ...ify if the jumpers are properly set referring to the respective section of this manual 2 Replace the top side control by a spare one 3 Verify if all keys respond 4 If they do replace the defective top...

Page 52: ...3 Insert the end of a flat screwdriver into the slots at the top of the plastic cover 4 Gently remove the plastic cover by releasing its upper part first 2 Disconnect the top side control s and the te...

Page 53: ...Disconnect the transformer 7 Disconnect all outputs pumps spa light ozonator using a pair of pliers Make sure not to damage the connectors 8 Disconnect the high limit sensor and the pressure switch 6...

Page 54: ...y means of six plastic standoffs Release these gently using a pair of pliers 12 Gently remove the board by releasing its left part first On models manufactured before 1999 loosen the 6 screws 10 Loose...

Page 55: ...r of pliers Make sure not to damage the connectors Refer to the wiring diagram affixed to the inside of your spa pack s power box cover This diagram always prevails over the wiring diagram at the end...

Page 56: ...wo wires at the top of the pressure switch then unscrew and remove the switch Note Before proceeding make sure all power input wires are disconnected and spa valves are closed 2 Loosen the two wing nu...

Page 57: ...ts with another wrench to avoid damaging the contact pins 8 Verify if the heater is properly connected to the board 9 Reinstall the pressure switch and reconnect the wires in no particular order 5 Sli...

Page 58: ...s You should not see an FLO message 7 If you see an FLO or an FLC message repeat the procedure above If you are not able to adjust the pressure switch replace it For systems manufactured before 1998 T...

Page 59: ...Service manual 58 Notes...

Page 60: ...r triac package of 10 22 76 30 97 8 282HA0051 P25 Plastic standoffs for board package of 25 17 04 23 18 9 282CA0092 P25 Nuts for transformer package of 25 7 57 10 30 10 EWGX123 P5 Heater cable for in...

Page 61: ...r MSPA 1 P122 P222 B1 01 LS H5 5 JJM 302 51 411 58 26 MSPA 1 P122 P222 B1 01 LS H5 5 AMP 302 51 411 58 26 EQGX151 Main board for MSPA 1 P112 P212 B1 01 LS CP1 HV JJM 311 06 423 21 27 430AC0092 P10 Fus...

Page 62: ...tage 240 V Green Ground P26 Brown Line P13 Blue Neutral P24 Jumper Settings See respective section Blower Voltage 240 V Green Ground P28 Brown Line P17 Blue Neutral P23 Ozonator Voltage 240 V Green Gr...

Page 63: ...les Pressure switches Heaters Heater cables Transformer Ground lugs Plastic standoffs Light cables Grommets Connectors Fuse kits Screws Etc Gecko s professional repair kit contains all you need to pro...

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