3 flashing dots below the temperature display is an indication that an error has occurred. To
identify the error, follow these procedures:
1)
Open the front cover of the systems control box.
2)
Verify if the system error LED is illuminated on the printed circuit board.
System Error LED not Illuminated:
With Pump Running
a)
Press the
Temp. Down Key
to lower the temperature below the current water temperature.
b)
If the 3 flashing dots go away after the pump has shut off, this is an indication that the pressure or flow switch was not
activated while water was flowing through the heater. Readjust pressure or flow switch.
With Pump Off
a)
If 3 flashing dots appear while the pump is off, the pressure or flow switch is activated although no water is flowing
through the heater. Readjust pressure or flow switch.
System Error LED Illuminated:
a)
This is an indication of an Over Temperature condition. Ensure that the High-Limit temperature sensor is properly
connected to the printed circuit board.
Temperature display reads 30-39
°
F Range (No flashing or LED error indication):
a)
If the temperature reading is 32
°
F and this is not the actual water temperature, this indicates a problem with the
temperature sensor. Ensure that the temperature sensor is properly connected to the printed circuit board.
System Error LED
3 DOT ERROR IDENTIFICATION
19
Summary of Contents for sportub series
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