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The error codes indicate a failure or problem that must be rectified to guarantee the good function of the system�
The error code and the water temperature are displayed alternately on the keypad�
The error messages listed below display on the LCD and LED keypads� If your spa is equipped with a color keypad,
please refer your techbook for more information on error messages�
FLO
The system has detected no water flow during the main
pumps operation�
UPL
No low-level configuration is present in the control system
memory, insert a valid in�stik to program the control unit�
OH
The spas water temperature has reached 108°F (42°C)
Do not enter spa water!
AOH
The temperature inside the spa skirt is too high and
causes an increase of the internal temperature of the
control system above normal limits�
Possible error codes on in.yj, in.ye, in.yt and in.xe control systems
Troubleshooting
HL
The water temperature in the water heater has reached
119 °F (48°C)�
Do not enter spa water!
Prr
The system detects a problem with the regulation probe�
The system constantly verifies if the temperatures read by
the probe are inside the normal limits�
Hr
An internal error with the system hardware has
been detected�
Note: Only on in.xe control, can't be displaid with a
in.k330 keypad.
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