I have a Saluspa hot tub. I have a E03 code and don't know

JustAnswer Customer from San Antonio, TX: I have a Coleman Saluspa hot tub.
JustAnswer Customer from San Antonio, TX: I have a E03 code and don't know what to do.
Pearl Wilson: Assistant: How old is your Coleman hot tub?
JustAnswer Customer from San Antonio, TX: I got in in November of 2020
Pearl Wilson: Assistant: How long has this been going on with your Coleman hot tub?
Pearl Wilson: Assistant: What have you tried so far?
JustAnswer Customer from San Antonio, TX: For a few days.
JustAnswer Customer from San Antonio, TX: I read it has something to do with the water temp being too low.
JustAnswer Customer from San Antonio, TX: But it wasn't that cold.
JustAnswer Customer from San Antonio, TX: I tried emptying some water from the hot tub and adding hot water, but it didn't fix anything.
Pearl Wilson: Assistant: Anything else we should know to help you best?
JustAnswer Customer from San Antonio, TX: I don't think so.
JustAnswer Customer from San Antonio, TX: I'm wondering if there's a bypass or reset or something to get it started up.
JustAnswer Customer from San Antonio, TX: The water is definitely cold now.
GeraldG129: : Good morning, I'm Gerald.
GeraldG129: : I'm sorry to hear you're having issues with your coleman tub and will do all I can to assist you.
GeraldG129: : This error code is due to the outside air temperature being too low.
GeraldG129: : Is this an inflatable spa?
JustAnswer Customer from San Antonio, TX: Thanks for contacting me.
JustAnswer Customer from San Antonio, TX: Yes.
JustAnswer Customer from San Antonio, TX: It is inflatable.
JustAnswer Customer from San Antonio, TX: We've run it all winter, in much colder temperatures, without any problem.
GeraldG129: : Okay, this means the temp sensor could be bad.
GeraldG129: : What coleman recommends doing is to attach the plugs to the inside ports of the spa to prevent the water from draining, and to disconnect the motor and control panel assembly.
GeraldG129: : You'll want to take the the unit inside of somewhere warm and allow the entire unit to warm up.
GeraldG129: : After doing that, if the tub still gives the error code, we'll have to look into replacing the sensors.
JustAnswer Customer from San Antonio, TX: Thanks.
JustAnswer Customer from San Antonio, TX: Sorry for not responding.
JustAnswer Customer from San Antonio, TX: I had to leave town for work rather unexpectedly yesterday, and will just be getting back this afternoon.
JustAnswer Customer from San Antonio, TX: I will try this, and report back.
JustAnswer Customer from San Antonio, TX: Thanks again.
JustAnswer Customer from San Antonio, TX: Okay, so l looked at the manual (see attached, page 16) and tried to plug the inside ports.
JustAnswer Customer from San Antonio, TX: The top one worked, although is hardly seemed to be a perfect fit.
JustAnswer Customer from San Antonio, TX: But the bottom had no port to plug onto.
JustAnswer Customer from San Antonio, TX: There's a large filter unit that would have to be removed to plug it in, and there's nothing under it (the filter screws into the side) to cap it onto.
JustAnswer Customer from San Antonio, TX: This is pretty frustrating, particularly as Coleman has NO tech support.
JustAnswer Customer from San Antonio, TX: It's crazy.

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This shows nothing what happened at the end???