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7) Pump does not circulate the water.
• Debris may be in the pump impeller housing. Raise the
shroud unit and lock in the up position. Inspect pump for
debris and remove with tweezers or similar instrument.
8) HEATING light is flashing.
• This is normal operation. At approximately one degree
below the set temperature, the microprocessor begins to
reduce the amount of heat generated and the HEATING
light begins to flash.
9) Temperature display at WATER TEMP deviates from
thermometer reading.
• Run the unit for more than 30 minutes.
• Read thermometer temperature while the thermometer
remains in water. Remember the temperature reading.
• Press the POWER key to turn the unit power off.
• Press the SET TEMP key and the POWER key at the
same time. Power is turned on again but the WATER
TEMP display shows an arbitrary number.
• Each time the [5] key is pressed, the number displayed
in WATER TEMP window increases by 0.1. Each time
the [0] key is pressed, it decreases by 0.1.
Press either the [5] key or the [0] key until the WATER
TEMP shows same number as the thermometer reading.
This adjustment should be done in one minute from
when you have read the thermometer.
• Press the POWER key to turn power off.
• Press the POWER key to turn power on again and
check calibration has been done correctly.
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