What does FL1 code mean on a spa heater?
When FL1 code starts flashing it means the flow switch is malfunctioning and stuck open-likely because of a dirty filter or because there is an air lock problem at the circulation pump intake.When FL2 code starts flashing it means the flow switch isn’t working and it is stuck closed. In both cases, the spa heater will deactivate.·
Why is the FL1 code flashing on my Sundance spa?
the TB1 terminal block and then power up the spa. If the pump doesn’t run you could have a bad pump. I have a 2004 Sundance Lagunas Spa that also has the Fl1 error code. I have had them in the past, and was able to reset it with the hose up to the intake trick on many occasions, but not this time.
What to do if your spa has FL1 MSG?
Jamie try running the spa without a filter for a short period ie 10min. If the FL1 msg does not go away and you have good water movement from your Jet 1 pump on speed 1 you would want to check your connection from the PWA to the psi switch. If the connection is good you would want to check your psi switch for blockage.
Which is most common error code FL1 or Flo?
The flow errors FL1 and FLO are the most common error codes we get calls about. As people read through their owners manual, it is easy for people to quickly come to the conclusion that the first thing they need to replace is their flow switch.
When FL1 code starts flashing it means the flow switch is malfunctioning and stuck open-likely because of a dirty filter or because there is an air lock problem at the circulation pump intake.When FL2 code starts flashing it means the flow switch isn’t working and it is stuck closed. In both cases, the spa heater will deactivate.·
the TB1 terminal block and then power up the spa. If the pump doesn’t run you could have a bad pump. I have a 2004 Sundance Lagunas Spa that also has the Fl1 error code. I have had them in the past, and was able to reset it with the hose up to the intake trick on many occasions, but not this time.
Jamie try running the spa without a filter for a short period ie 10min. If the FL1 msg does not go away and you have good water movement from your Jet 1 pump on speed 1 you would want to check your connection from the PWA to the psi switch. If the connection is good you would want to check your psi switch for blockage.
The flow errors FL1 and FLO are the most common error codes we get calls about. As people read through their owners manual, it is easy for people to quickly come to the conclusion that the first thing they need to replace is their flow switch.
How to troubleshoot a flashing Flo for a spa?
First verify your spa is receiving the specified incoming voltage into the circuit board as well as out of the circuit board to the transformer. Also, check all fuses for continuity. Next, check the service tag on the side of your circulation pump. This will tell you approximately what voltage your circulation pump should be getting.
What is the FL1 error code for Sundance spa Constance?
We have a Sundance Spa Constance (2011) and today also noticed the FL1 error code. In addition to the code, noticed that the pool is registering 72 degrees when it is set to 101. We have never had a problem with the hot tube, until now. We changed the UV bulb last summer and changed out the filters. Any assistance would be helpful.
First verify your spa is receiving the specified incoming voltage into the circuit board as well as out of the circuit board to the transformer. Also, check all fuses for continuity. Next, check the service tag on the side of your circulation pump. This will tell you approximately what voltage your circulation pump should be getting.
We have a Sundance Spa Constance (2011) and today also noticed the FL1 error code. In addition to the code, noticed that the pool is registering 72 degrees when it is set to 101. We have never had a problem with the hot tube, until now. We changed the UV bulb last summer and changed out the filters. Any assistance would be helpful.
