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Coleman Hot Tub Error Code E03

There may be a number of reasons why your heater pump is displaying an error code. The following is a list of error codes, the reason behind them and how they can be solved.

The EO2 error can affect all AirJet™ and HydroJet™ Lay-Z-Spa hot tubs. There are a number of causes which can be fixed quickly and easily.Cause 1: Dirty filt. Whether you own one or hire a hot tub, this guide will hopefully get you back to enjoying your hot tub in the shortest time possible. Welcome To Our Website! Check out our range of products available for hire!

Select Your Error Code:

E01

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DescriptionCauseSolution
Sensor ErrorThe water flow sensors’ flags didn’t come back into the correct position.Unplug the pump unit, lightly strike the side of it and then plug it back in.

If the unit does not respond, try rolling the pump unit on its side in order to shift the sensor placement.

Water Flow ErrorElectrical issue. Can occur when the spa is not plugged into a mains socket. May also be an issue with the RCD socket.Plug the pump unit directly into a mains socket and not into an extension lead.
Debris Build UpIssue with water flora sensors due to debris build up.Please follow the backwash procedure in the video here

E02

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DescriptionCauseSolution
Water Flow ErrorThe stopper caps are still inside the spa.Remove the black stopper caps from the inside of the liner before heating, filtering or running the bubbles on the spa. If you are unsure how to remove them, please refer to the assembly section within the Lay-Z-Spa owners manual.
Filter cartridges are dirtyRemove the filter cartridge from the filter housing and check it is clean. Please make sure the new filter is clean and dry before you install it.
Filter housing is restricting flowRemove the filter housing from the liner and check the black membrane inside. These should lie flat inside the housing. If they are ok, continue to run the spa without the filter cartridge attached and see if the error code persists.
Ensure that the debris screens are clear of debris.
Pipes within the liner are kinked or bent.Disconnect the pump and check the pipes inside the liner. You can manipulate these with warm water to return them to the correct shape.
Washers perished inside pump couplingsDisconnect the pump from the liner. Check the condition of washers inside the couplings on the pump. We would suggest backwashing the pump to clear any debris. If the washers are perished you can purchase spares from the Lay-Z-Spa website here
Water flow sensors not workingIf the above troubleshooting has not resolved the problem, the water flow sensors may not be working. Please contact us for more help with this

E02 Error Code Troubleshooting download

E03

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DescriptionCauseSolution
Temperature too lowThe pump will only operate when the ambient temperature is above 4°C. We would suggest disconnecting the pump and moving it to a warmer place. You will need to do the thermal reset procedure before continuing use.The pump will only operate when the ambient temperature is above 4ºC.
The pump thermometer is broken.If your pump is displaying this message and the ambient temperature is above 4ºC. Please contact us for more help.

E04

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Maytag error code e03
DescriptionCauseSolution
Temperature too highThe pump unit has overheated.Place the stoppers caps inside the spa and disconnect the pump unit. Allow time for the pump unit to cool down before connecting again.
The water temperature is over 50ºC (122ºF).The Lay-Z-Spa is not designed to operate with water temperatures exceeding 40ºC (104ºF). Unplug the pump and plug it back in once the water temperature has reached 38ºC (100ºF) or lower. IMPORTANT: Before you restart the pump, press the reset button.
The thermostat needs resetting.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button for 10 seconds using a pencil or screwdriver (see Owner’s Manual for location)
  • Once done, press the heater button. Your pump should now be working.

E05

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DescriptionCauseSolution
Temperature too highThe thermostat is broken.If the troubleshooting has been completed without success, please contact usfor more help with this
Pump needs to be reset.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button using a pencil or screwdriver (see Owner’s Manual for location).
  • Once done, press the heater button. Your pump should now be working.
Pump unit needs to be cleanedTry the back wash procedure.
Not enough power to the pump.Ensure the pump unit is plugged into a mains socket and not an extension lead.

E06

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DescriptionCauseSolution
Electrical FaultThe power port has experienced a temporary current variation.Unplug the pump and hen plug it back in. Please ensure the pump unit is plugged into a mains socket and not an extension lead.

E07

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DescriptionCauseSolution
Electrical FaultThe pump has read an electrical error.Try the reset procedure detailed in the troubleshooting document. If the troubleshooting has been completed without success, please contact us for more help.

E08

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DescriptionCauseSolution
The thermostat needs resetting.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button using a pencil or screwdriver (see Owner’s Manual for location).
  • Once done, press the heater button. The pump should now be working.

E09

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DescriptionCauseSolution
Fuse Failure.Internal fuse failure or has become disconnected within the pump.
  • Turn the spa completely off.
  • Turn the power off at the socket.
  • Remove the plug from the socket for the pump.
  • Press the following buttons on the PRCD – Reset –> Test –> Reset.
  • Turn the pump back on, using the On/Off button on the display.
  • Please ensure you hold your finger down for at least 10 seconds.
  • If the troubleshooting has been completed without success, please contact us for more help.

E10

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DescriptionCauseSolution
High salt alarm.Alarm where too much salt has been added to the spa or a large amount of water has evaporated.
  • Do not use the spa or place any further Pure Spa Salt for 24 to 48 hours to ensure the levels reduce. Unplug the spa pump, remove from the liner and drain 20% of the water from the spa. Refill this with fresh water.
  • Start the Salt Chlorinator System.

E11

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DescriptionCauseSolution
Low salt alarm.Alarm for low salt levels within the spa. This means the spa requires further salt to be added.
  • Unplug the spa pump from the electricity, wait 10 seconds then plug the spa back in.
  • Reset the spa as first use using the reset button.
  • Once reset, turn on the Hydro Jet system.
  • Gradually add and dissolve 0.5kg (500g) of Pure Spa Salt at a time.
  • Start the Salt Chlorinator System.
  • Allow the spa pump to run on either the 5 hour or 8 hour setting.
  • If the E11 error code is visible again, place a further 0.5kg (500g) of Pure Spa Salt in the spa.

E12

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DescriptionCauseSolution
Water Leakage.Error code for an issue with water leaking within the body of the pump.
  • Check the couplings on the pump connections to ensure there is no water leaking from these.
  • Also ensure the washers within these are flat.
  • These can be checked using a screwdriver and simply unscrewing the coupling.
  • If these are dry and tight, please contact Bestway Aftersales as there may be a leak within the pump.
  • Please do not attempt to reset or use the pump whilst the E12 error code is visible.

E13

Komatsu Error Code E03

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DescriptionCauseSolution
Signal within the pump.Error code for issue where the electrical signal within the pump body between the control panel and power board has become disconnected.
  • This error code can become visible on 2017 model pumps and newer.
  • The date of the spa pump can be located on the silver sticker on the pump body itself (S/N Number) or engraved within the handles.
  • If this error code does become visible, please contact your Bestway Warranty Department as the pump will need to be either replaced or repaired.
  • As this is an issue with the signal between two components within the body, please do not attempt to repair or open the pump.

GCF

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DescriptionCauseSolution
Not grounded/earthed correctlyAn issue with your power supplyRemove any extension leads, we do not recommend the pump is run on one of these. Also try the pump in an alternative socket. If the issue persists, please contact us for further advice.

Backwash Procedure

Attach the stopper caps to the inside of the liner and then remove the Lay-Z-Spa pump unit from the liner (you can do this by unscrewing the 3 couplings ‘A, B and C’).

Using a hosepipe, flush water backwards through the pump. Water should go through pipe ‘B’ and come out of pipe ‘C’.

After a few minutes, flush the water in the opposite direction for about 2 minutes (through pipe ‘C’ and out of pipe ‘B’).

If you have a Hydro Jet Lay-Z-Spa, unfortunately, the backwash procedure will be a little tricky. These are not constructed like the other models of the Lay-Z-Spa. please contact us

There may be a number of reasons why your heater pump is displaying an error code. The following is a list of error codes, the reason behind them and how they can be solved.

Select Your Error Code:
E01E02E03E04E05E06E07E08E09E10E11E12E13GCFbackwash

E01

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DescriptionCauseSolution
Sensor ErrorThe water flow sensors’ flags didn’t come back into the correct position.Unplug the pump unit, lightly strike the side of it and then plug it back in.
Water Flow ErrorElectrical issue. Can occur when the spa is not plugged into a mains socket. May also be an issue with the RCD socket.Plug the pump unit directly into a mains socket and not into an extension lead.

E02

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DescriptionCauseSolution
Water Flow ErrorThe stopper caps are still inside the spa.Remove the stopper caps before heating your Lay-Z-Spa. If you’re unsure how to remove them, refer to the assembly section within the Lay Z Spa Owner’s Manual.
Water Flow ErrorFilter cartridges are dirtyRemove the filter cartridges from the pump and press the filter or heat button. If no alarm appears, you will need to clean or replace the filter cartridges.
Water Flow ErrorFilter housing is restricting flowRemove the filter cartridges from the pump and press the filter or heat button. If no alarm appears, you will need to clean or replace the filter cartridges.
Water Flow ErrorDebris screens are blocked.Ensure that the debris screens are clear of debris.
Pipes within the liner are kinked or bent.Using your hands, check the condition of the pipes within the liner.
Water Flow ErrorWater flow sensors not workingIf the above troubleshooting has not resolved the problem, the water flow sensors may not be working. Please contact us for more help with this

E02 Error Code Troubleshooting download

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E03

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DescriptionCauseSolution
Temperature too lowNormally caused when the Lay Z Spa pump has been used in temperatures below 4ºC.The pump will only operate when the ambient temperature is above 4ºC.
Temperature too lowThe pump thermometer is broken.If your pump is displaying this message and the ambient temperature is above 4ºC. Please contact us for more help.

E04

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DescriptionCauseSolution
Temperature too highThe pump unit has overheated.Place the stopper caps inside the spa, disconnect the pump unit, and bring the pump unit inside to cool down.
Temperature too highThe water temperature is over 50ºC (122ºF).The Lay-Z-Spa is not designed to operate with water temperatures exceeding 40ºC (104ºF). Unplug the pump and plug it back in once the water temperature has reached 38ºC (100ºF) or lower. IMPORTANT: Before you restart the pump, press the reset button.
Temperature too highThe thermostat needs resetting.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button for 10 seconds using a pencil or screwdriver (see Owner’s Manual for location)
  • Once done, press the heater button. Your pump should now be working.

E05

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DescriptionCauseSolution
Temperature too highThe thermostat is broken.If the troubleshooting has been completed without success, please contact usfor more help with this
Pump needs to be reset.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button using a pencil or screwdriver (see Owner’s Manual for location).
  • Once done, press the heater button. Your pump should now be working.
Pump unit needs to be cleanedTry the back wash procedure.
Not enough power to the pump.Ensure the pump unit is plugged into a mains socket and not an extension lead.
Pump may be faulty.If the troubleshooting has been completed without success, please contact usfor more help with this

E06

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DescriptionCauseSolution
The power port has experienced a temporary current variation.Unplug the pump and then plug the pump back in.
Pump may be faulty.If the troubleshooting has been completed without success, please contact usfor more help with this

E07

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DescriptionCauseSolution
Please contact us regarding this problem.If the troubleshooting has been completed without success, please contact usfor more help with this

E08

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DescriptionCauseSolution
The thermostat needs resetting.
  • Watch the Thermal Reset Video
  • Turn the pump unit on at the mains.
  • Press the test button once and leave it bleeping (leave for 10 seconds).
  • Turn the pump unit off and unplug from the socket (leave for 10 seconds).
  • Plug the pump unit back in and turn it back on.
  • Press the thermal reset button using a pencil or screwdriver (see Owner’s Manual for location).
  • Once done, press the heater button. The pump should now be working.

E09

Whirlpool Duet E03 Error Code

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DescriptionCauseSolution
Fuse Failure.Internal fuse failure or has become disconnected within the pump.
  • Turn the spa completely off.
  • Turn the power off at the socket.
  • Remove the plug from the socket for the pump.
  • Press the following buttons on the PRCD – Reset –> Test –> Reset.
  • Turn the pump back on, using the On/Off button on the display.
  • Please ensure you hold your finger down for at least 10 seconds.

E10

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DescriptionCauseSolution
High salt alarm.Alarm where too much salt has been added to the spa or a large amount of water has evaporated.
  • Do not use the spa or place any further Pure Spa Salt for 24 to 48 hours to ensure the levels reduce. Unplug the spa pump, remove from the liner and drain 20% of the water from the spa. Refill this with fresh water.
  • Start the Salt Chlorinator System.

E11

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DescriptionCauseSolution
Low salt alarm.Alarm for low salt levels within the spa. This means the spa requires further salt to be added.
  • Unplug the spa pump from the electricity, wait 10 seconds then plug the spa back in.
  • Reset the spa as first use using the reset button.
  • Once reset, turn on the Hydro Jet system.
  • Gradually add and dissolve 0.5kg (500g) of Pure Spa Salt at a time.
  • Start the Salt Chlorinator System.
  • Allow the spa pump to run on either the 5 hour or 8 hour setting.
  • If the E11 error code is visible again, place a further 0.5kg (500g) of Pure Spa Salt in the spa.
Coleman Hot Tub Error Code E03

E12

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DescriptionCauseSolution
Water Leakage.Error code for an issue with water leaking within the body of the pump.
  • Check the couplings on the pump connections to ensure there is no water leaking from these.
  • Also ensure the washers within these are flat.
  • These can be checked using a screwdriver and simply unscrewing the coupling.
  • If these are dry and tight, please contact Bestway Aftersales as there may be a leak within the pump.
  • Please do not attempt to reset or use the pump whilst the E12 error code is visible.

E13

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DescriptionCauseSolution
Signal within the pump.Error code for issue where the electrical signal within the pump body between the control panel and power board has become disconnected.
  • This error code can become visible on 2017 model pumps and newer.
  • The date of the spa pump can be located on the silver sticker on the pump body itself (S/N Number) or engraved within the handles.
  • If this error code does become visible, please contact your Bestway Warranty Department as the pump will need to be either replaced or repaired.
  • As this is an issue with the signal between two components within the body, please do not attempt to repair or open the pump.

GCF

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Coleman Hot Tub Error Code E03

DescriptionCauseSolution
Not grounded/earthed correctly.An issue with your extension lead or power supply.

Remove extension lead or get a qualified electrician to check your socket & power supply. If this does not resolve the issue, please contact us.

Backwash Procedure

Attach the stopper caps to the inside of the liner and then remove the Lay-Z-Spa pump unit from the liner (you can do this by unscrewing the 3 couplings ‘A, B and C’).

Using a hosepipe, flush water backwards through the pump. Water should go through pipe ‘B’ and come out of pipe ‘C’.

Bosch Dryer Error Code E03

After a few minutes, flush the water in the opposite direction for about 2 minutes (through pipe ‘C’ and out of pipe ‘B’).

E03 Error Code Whirlpool

If you have a Hydro Jet Lay-Z-Spa, unfortunately, the backwash procedure will be a little tricky. These are not constructed like the other models of the Lay-Z-Spa. please contact us