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17
dIaGnOstICs - errOr COdes
The error codes indicate a failure or problem that must be rectified to guarantee the good function of the
n.YJ2
control
system. The error messages listed below display on the keypad. For more information on error messages.
Please refer to the
YJ2 control
system techbook at
www.geckodocs.com
if this guide does not help you solve the problem please contact your dealer.
TROUBLESHOOTING GUIDE
3
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�
