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What does the error message on my hot tub mean?


What does the error message on my hot tub mean? - Click to enlarge

An error message appears on your keyboard and you don't understand what it means? Here is a list of the main error messages, and the steps to solve the problem.

Note that the error messages are different depending on the model of control system installed on your spa.

This list is still evolving and all messages may not be listed. Do not hesitate to refer to your manufacturer's instructions for use, and to contact us for any request.

For Gecko systems, please refer to this page.

Spas with Balboa control systems

All Balboa systems use the same error codes on their keypads. If you can't find the message below, feel free to refer to the user manual or to contact us.

Error message Meaning Solution
- - Unknown temperature Temperature should appear after the pump has been on for two minutes.
HH

Spa overheating - the spa has stopped* and the temperature detected in the spa is above 113F (43.5C).

Do not enter the spa !

Remove the cover and let the water cool down. Once the water reaches 106F (41.7C), the spa should restart automatically. If it does not restart, cut off its power supply and contact a specialist.
OH Heater overheating - the spa has stopped* and the temperature detected in the heater is above 48C.
Do not enter the spa !
Remove the cover and let the water cool down. Once the heater has cooled, restart the spa by pressing any button. if the spa does not restart, cut off its power supply and contact a specialist.

SA, SnA, SnH, SENSOR A,
Sb,Snb, SENSOR B,

The spa has stopped*. One of the sensors is defective. If the problem continues, contact a specialist (message may appear temporarily if the spa overheats).
Sn, SnS, SENSOR SYNC A temperature difference was detected between the two M7 sensors. This may be temporary of one of the sensors is defective If the problem continues, contact a specialist.
Sn1 Problem with the Hi-limit sensor The Hi-limit overheating sensor may be defective
Sn3 Problem with the temperature sensor The temperature sensor may be defective
FL, FLO, HL, HFL,
HTR FLOW LOW, LOW FLOW
There is a water flow problem. If the water levels are normal, make sure that all the pumps are on. If the problem continues, contact a specialist.
LF Continuously insufficient water flow. (Appears after the 5th "HL" message in 24 hours.) The heater is off but other funtions are still on. If the water levels are normal, make sure that all the pumps are on. Press any button to restart the spa.The message should restart in the following 15 minutes. If the problem continues, contact a specialist.
dr, dry, HEATER MAY BE DRY, dY, dr4 There may be an air bubble in the heating circuit or a lack of flow in the heater. If the water levels are normal, make sure that all the pumps are on. Press any button to restart the spa.The message should restart in the following 15 minutes. If the problem continues, contact a specialist.
dY Insufficient water levels in the heater. (Appears after the 3rd "dr" message). The spa turns off. Follow necessary instructions for the "dr" message. The spa will not turn back on automatically. Press any button to turn on manually.
COOL Temperature has dropped 50F (10C) below the required temperature
IC, ICE, FREEZE COND Temperature is below 45F (7C) - risk of ice*. All equipment is automatically switched on until the temperature reaches 45F (7C). Once it does, the heater and blowers are switches on for another four minutes until the spa functions normally again

* Even when the spa has stopped, some functions may start up again if protection against freezing is necessary

If it displays HOt, HOT-CALL SVC : Contact us.

Spas with Astrel, Gecko SSPA and MSPA control systems

Error message

Meaning

Solution

FLC

Flow detectection when there shouldn't be any. Either a setting or the flow sensor or the pressure switch is defective.

Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

FLO

No flow detection when there should be one. Either a setting or the flow sensor or the pressure switch is defective.

Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

HOH

Temperature detected above 48C.

Hi-limit sensor may be defective, or the spa is overheating. Try restarting the spa.

rPF

The temperature detected by the Hi-limit sensor is outside the given temperatures (below 0C or above 118F (48C).

Temperature sensor problem. Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

HPH

The temperature detected by the Hi-limit sensor is outside the given temperatures : below 32F (0C) or above 118F (48C)).

Hi-limit sensor problem. Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

Er 1

The pump configured for circulation and heating is not the one detected during teach-in.

Reconfigure the system

Er 2

Misconnection relating to the speed connection of a pump.

Reconfigure the system

Er 3

Misconnection or connection not consistent with the detection made during learning. Heater not detected during configuration.

Reconfigure the system


Spas with ACC control systems

Error message Meaning Solution
COLD Water temperature is below 39F (4C). Only the circulation pump will run above39F (4C). Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.
OH Water temperature is higher than 107F (42C).
Do not enter the spa !

If the water is indeed higher than 107F (42C), let the water cool down by revoving the cover and/or adding cold water. If the temperature isn't the one indicated on the control panel, restart the spa. If the error continues, contact a specialist.

SESH ou SEOP The temperature sensor is defective. The spa will continue to operate but will no longer heat up.

Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

HLer TheHi-limit sensor is disconnected, defective or has detected a temperature of 113F (45C).
Do not enter the spa !

Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.

PSOL,PSOH
ou PSOC
No pressure detected with flow sensor or pressure switch. This message would be related to a debit problem

Make sure the circulation or filtration pump is working. Try restarting the spa. If the spa does not restart, turn it off and contact a specialist.


Spas with Spa Power control systems

Error message Meaning Solution
Error 1 The heater did not start properly and no flow was detected in the heater. Press the "lower temperature" button, the main pump will start for 10 seconds and try to purge the circuit.
Error 3 One of the keyboard buttons remained pressed for more than one minute. This may be due to the cover, it is necessary to try a reset* of the spa.
Error 4 The optical sensor is disconnected or damaged. Try a spa reset.*
Error 5 One of the temperature sensors has exceeded 113F (45C).
Do not enter the spa !

Turn off the spa so that the water temperature drops, or try a reset.*

Error 6 The thermal safety has been triggered.
Do not enter the spa !

Overheating has been detected, the spa will restart once the temperature drops below 100F (38C). You can also do a reset.*

Error 7 This is a relay attached to the heater supply circuit. Sometimes it is possible to change the relay or it will be necessary to change the card.
Error 8 The temperature sensor is disconnected or damaged. Try a spa reset*, and follow our instructions on the control system's product page.
Error 9 The module used for time management is faulty. Try a spa reset*.

*To reset the spa, press the keys: "Light intensity", "Light effects", "Pump 1A" and "Blower" simultaneously.

Spas with Waterway control systems

Error message Meaning Solution
Insufficient flow ! Error caused by a lack of water flow inside the heater. Make sure that the water flow is sufficient. This may be due to a lack of water in the spa, or dirty filters, for example. It may also be due to an air bubble in the piping, or a problem with the circulation pump.
Low flow ! Check that there is enough water flow in the heater. This may be due to a lack of water in the spa, or dirty filters, for example. It could also be from an air bubble in the piping.
Water overheat ! Water tempereature is higher than 109F (43C).
Do not enter the spa !

Let the water cool down by revoving the cover and/or adding cold water. If the temperature isn't the one indicated on the control panel, restart the spa. If the error continues, contact a specialist.

Heater overheat !
Wait for the temperature to drop. Check that the water flow inside the heater is sufficient.
Potential freeze This error appears when one or more probes detect a too low temperature. All jets and blower are turned on to protect the piping from freezing. All elements will stop when the sensors have detected a correct temperature again.
Sensor 1 open
Check that the indicated probe is connected correctly. In cas of a short-circuited probe: check the connection of the indicated probe, or replace it if necessary.
Plumbing error ! Error detected when probe 1 and probe 3 are not properly connected. You can normally correct this problem by inverting the connections of these two probes on the motherboard.