Please Note: After Arctic Spa Software Version 1.0.64, Error Codes were changed from abbreviations to numbers. They will now read “Er” and a number ie “01”, “02”, etc.

If you have error codes showing on your hot tub panel LCD screen…before proceeding…try flipping off the power breaker to your hot tub, wait 20 seconds, then flip the breaker back on. This will reset the spa.

If it was a false error, everything will reset and return to normal.
If your arctic spa has a real error code, the code will return again to the LCD screen.

Please reference the below error code list for the error code, error name and description and the solution to resolve the hot tub error.

Error Code	Error Code Abbreviation	Error Name	Error Description	Error Solution
ER 00	FLO	No Flow	Flow Switch Open. No water is flowing through heater when pump 1 is on.	Turn breaker on and off again. If still present, you may have an electical issue with pump or need a pump replacement.
ER 01	FLC	Flow Switch	Faulty Flow Switch.	Turn breaker on and off again. If still present, you may have an electical issue. Request a technician.
ER 02	HL	Heater Over Temperature	This means the heater is too hot and reached 119 degrees.	This is usually fixed by just resetting the spa by turning the breaker off and back on again. If it comes back, then you will need to have a tech check it out.
ER 03	HL(F)	Spa Over Temperature	This means the spa is hotter than where it is set for.	You can leave the top off to allow it to cool down or add some cold water to the spa.
ER 04	Prr	Spa Temperature Probe	The temperature probe that reads the spa water temperature is either disconnected or needs to be replaced.	You can try unplugging the temperature probe and plugging it back in.
ER 05	HL	High Limit	Heater is too hot and reached 118 degrees.	This is usually fixed by just resetting the spa by turning the breaker off and back on again.
ER 06	EE	Eeprom Error	Read or Write Memory Fault	Try turning off and on your hot tub breaker. If error persists, request a technician.
ER 07	FP	Freeze Protect	The spa water temperature is too cold and the spa will run other pumps to circulate the water to prevent it from freezing.	Usually, you just have to wait for it to heat back up.
ER 08	Ph	pH High	The pH of the water is too high. (higher than 8.5)	You will need to add ½ cap of the Adjust Down for regular hot tubs and 1-1/2 caps of Adjust Down for All Weather Pools.
ER 09	Hd	Heater Probe Disconnected	The probe measuring the temperature at the heater is either disconnected or needs to be replaced.	You can try disconnecting the probe from the motherboard and plugging it back in again to see if this solves the problem. If it doesn’t, the probe will probably need to be replaced.
ER 10	HPt	Heater Probe Test Failed	When the spa is started up, the heater is tested to make sure it is working properly.	Turn the breaker off to the spa and back on again to reset it. If it comes back, you probably need a tech to check it out.
ER 11	SB-CE	SpaBoy Communication Error	If your spa is equipped with SpaBoy Saltwater System, it is not communicating with the motherboard.	You can try unplugging the SpaBoy and plugging it back in at the motherboard. If this does not solve the problem, you will need a tech to check this out.
ER 12	H/S cal	Heater Spa Temperature Calibration	This measures the water temperature at the spa and the heater. It there is a difference between the two temperatures when the pump #1 is running and the heater is off, the error will be displayed.	Turn the breaker off and back on again to reset it. If it comes back, a tech will need to take care of it.
ER 13	H-wo-s	Heater Temperature Way above the Spa Temperature	If the temperature of the heater is way hotter than the spa temperature. It will shut off the heater, wait and then try it again. Usually this is caused by a restriction on the flow through the heater.	This can be caused by too many jets closed, a restriction in the plumbing. You temperature probe is broken or has malfunctioned. A replacement might be needed. A tech will be needed fix the problem.
ER 14	orp_nr	SpaBoy Probe	This probe is not reading a change when the SpaBoy has been on for a period of time. This could be caused by low salt levels, which you would want to check with the test strips and adjust.	It could also be a hardware issue with the SpaBoy Probe or the SpaBoy Generator. Check your salt levels. If normal, your probe may be damaged or need a replacement.
ER 15	Ph	pH Low	PH Level is Low. (less than 6.5)	Test your PH levels and Adjust with PH Up to bring back to normal levels.
ER 20	P1Lnc	Pump 1 Low No Current	Pump 1 is not flowing on Low Speed	Turn your hot tub breaker off and on. If still present, possible faulty pump or electical issues. Request a technician.
ER 21	P1Hnc	Pump 1 High No Current	Pump 1 is not flowing on High Speed	Turn your hot tub breaker off and on. If still present, possible faulty pump or electical issues. Request a technician.
ER 22	P2nc	Pump 2 No Current	Pump 2 is not flowing	Turn your hot tub breaker off and on. If still present, possible faulty pump or electical issues. Request a technician.
ER 23	P3nc	Pump 3 No Current	Pump 3 is not flowing	Turn your hot tub breaker off and on. If still present, possible faulty pump or electical issues. Request a technician.
ER 24	SDSnc	SDS Pump No Current	SDS Pump is not flowing	Turn your hot tub breaker off and on. If still present, possible faulty pump or electical issues. Request a technician.
ER 25	YESSnc	Faulty YESS System	YESS system is not working. The optional YESS system creates micro bubbles.	Turn your hot tub breaker off and on. If still present, YESS pump or electical system is faulty or broken. Request a technician.
ER 26	Onnc	Faulty ONZEN System	ONZEN Salt Water System is not working.	Turn your hot tub breaker off and on. Electrolytic cell may need to be replaced. If still present, ONZEN internal electical system is faulty or broken. Request a technician.

Arctic Spa Error Codes For 2020 Custom Series Hot Tubs

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