Relxtime Hot Tub Spa Advice & Troubleshooting

Oct 16, 2023

By SUNSHINE PLASTIC(HONGKONG)CO LIMITED

Troubleshooting: Essential Tips for Identifying and Resolving Common Inflatable Hot Tub Issues

The display does not respond/does not switch on
Air jet system not working
Massage jet system not working
Heater not working
Filter system not working
Filter pump running too loud
Problem with the filter/air and massage jets/heater unit
The tub has a strange shape
The SPA is losing air pressure
The SPA is losing water
The water is not clean

Problems	Cause	Solution
The display does not respond/does not switch on	The safety switch is deactivated	Perform a reset (in accordance with point 2 - Installation)
The display does not respond/does not switch on	The water temperature is above 116.6℉(47°C)	Wait until the water temperature has dropped below 104℉(40°C) and press the "manual reset button"
Air jet system not working	Overheating of the air fan motor	Wait until the motor has cooled down, then press the bubble button to activate the function
Air jet system not working	Problem with the filter/air and massage jets/heater unit	Disconnect the power supply, wait 10 minutes before switching the power back on
Massage jet system not working	Overheating of the massage jet motor	Wait until the motor has cooled down, then press the JET button to activate the function
Massage jet system not working	Problem with the filter/air and massage jets/heater unit	Disconnect the power supply, wait 10 minutes before switching the power back on
Heater not working	Temperature set too low	Set a higher temperature 68℉-104℉(20-40°C)
	The water temperature is still within the tolerance range of the temperature sensor <+/- 35.6℉(2°C)>	Once the set water temperature reched,the heaterwill stop working untill the water temperature drops35.6(2°C) below the set temperature. In this casejust wait for a few minutes and the heater will startworking automatically.
	Spa is not covered	Attach the cover
	The filter cartridge is dirty	Replace the filter cartridge
	Water level too low	Top up the water
	Problem with the filter/air and massagejets/heater unit	Disconnect the power supply, wait 10 minutes before switching the power back on
	Dirt deposits inside the motor block (Heating pipe with incrustant Filter pump blocked Plugged filter cartridges)	Remove the filter cartridge and flush the motor block using a water hose by placing the water hose at the water outlet and collecting particles of dirt at the filter connection using a cloth bag
Filter system not working	The filter cartridge is dirty	Replace the filter cartridge
	Water level too low	Top up the water
	Problem with the filter/air and massage jets/heater unit	Disconnect the power supply, wait 10 minutes before switching the power back on
Filter pump running too loud	The filter cartridge is dirty	Replace the filter cartridge
	Water level too low	Top up the water
	Dirty cover (on filter cartridge)	Clean the cover
Problem with the filter/air and massage jets/heater unit	Power voltage too low or incorrect frequency	Contact a qualified electrician
Problem with the filter/air and massage jets/heater unit	Fault in the filter/air and massage jets/heater unit	Disconnect the power supply, wait 10 minutes before switching the power back on
The tub has a strange shape	Additional air pressure due to strong sunlight	Check the air pressure (using barometer, the pointer points to the green range ) and let some
The SPA is losing air pressure	Air valve cap is too loose	Using soapy water, cover the air-valve to check if air is leaking, if so, use the provided wrench to fasten the air valve following these steps: 1. Deflate the spa. 2. With one hand, hold the backside of the air valve from the inner side of the spa wall and turn the wrench clockwise.
	Tear (seam) or spot damage	Perform a test to locate the affected area
	Ambient temperature drops drastically.	It is a normal that the air shink in low temperature environment. Fill more air into the spa.
The SPA is losing water	The sealing plug of the water drain at the bottom of the SPA is loose	Press the drainage bung tightly
The SPA is losing water	Spa is torn or punctured	Use provided repair patch. (Put liquid soap and water in a squirt bottle and spray on seams. If there is a leak it will bubble. After you find the leak,clean and dry the leaking area, then apply the repair patch that comes with your spa.)
The water is not clean	Insufficient filtering time	Increase the filtering time
	The filter cartridge is dirty	Replace the filter cartridge
	Poor or insufficient water treatment	Read the instructions of the chemicals manufacturer

Error Messages: Decoding the Displayed Error Codes

-How to fix displayed error codes - HL in a Relxtime spa

-How to fix displayed error codes - FC in a Relxtime spa

-Other codes

Error code	Cause	Solution
SL	The water temperature is 41℉(5°C) or less	Wait until the water temperature is >41℉(5°C), or add a certain amount of hot water to keep the water temperature up before starting the heating.
SL	The water temperature is 41℉(5°C) or less
SH	Malfunction of the circuit board or the temperature sensor.Heating tube overheating Perform a reset.	After unplugging the power, wait 30 minutes to start up again.
SH		Replace the display and/or the motor block.
HL	Malfunction of the filter pump	Check the water level.
FC(with warning sound)	T he filtration and heating have been in operation for 168 hrs. Before replacing the filter cartridge,neither the filtration pump nor the heater are ready for operation.	Replace the filter cartridge and press the HEATER button to restart the filtration and heater.
OC	Malfunction of the temperature sensor	Replace the temperature control probe.
FP	Wrong operation into FP mode	Press “temperature” button, Press the “up” button, Panel show 20, then the spa returns to the normal state.