WL1000GF MAX
Manual
Page 42 Revision 10-7-2017
2.
Hot Sensor Fault
Alarm: User Interface Red Heating LED flashing, and unit will alarm 20 times.
The Hot temperature set point is 85°C (185
°
F) and is controlled by a thermistor in the well in the Hot
Tank.
There are two resettable overheats or high limit safety devices on the side of the tank that will trip to
prevent damage to the unit if the tank is dry heated (turned on without water in it).
It typically takes 10 minutes for the 500W to heat the 1.6 Litre of room temperature (ambient) water
to the 85
°
C set point.
Possible Reason
Solution
Hot Water Thermistor
Check continuity of thermistor with multimeter. Replace
Thermistor as needed.
3.
Filter Service Alert
Alarm: User Interface Green Filter LED flashing, and unit will alarm 20 times.
Factory Setting Timer for Filters Life is turned off. When the Filter Life Timer has been programmed
to 6, 9 or 12 months the Filter Service Alert will alarm to recommend replacing the filters.
Possible Reason
Solution
Filter Life Time programmed
has been exceeded.
Change Filter.
Reset Filter Life Timer by pressing the Red Reset button
located at the back panel on rear of unit for 3 seconds. Unit
will alarm 3 times to indicate that Filter Timer has been
reset.
