10
Malfunction Code Description
Code
Possible cause
Solution
E1
If the water production does not stop for 90
minutes, the malfunction light will turn on
and E1 will be displayed in the numeric area
of the LED digit.
1. When the filter is dirty, resulting in poor
water production efficiency. It is recommend-
ed to replace a new filter.
2. Please check if the filter is properly installed.
3. Please check if the water tank is properly
installed.
E2
When the water inlet circuit malfunctions, the
malfunction light will turn on and E2 will be
displayed in the numeric area of the panel.
Please contact acerpure customer service.
E3
When the water temperature thermal
resistance is open, the malfunction light
will turn on and E3 will be displayed in the
numeric area of the panel.
Please contact acerpure customer service.
Please contact acerpure customer service.
E4
When the inlet water temperature is in the
range of 0-1°C, the malfunction light will
turn on and E4 will be displayed.
Please use water that is 5-38°C.
E6
Heating circuit board malfunction
is detected.
E7
The heating element temperature is
too high.
Please stop using the machine first and
wait for the temperature to decrease. Then,
it will automatically return to normal.
Summary of Contents for aqua WP742-40W
Page 1: ...Model WP742 40W Hot Cold Water Purifier User Manual ...
Page 13: ......
