Dewhot 12lt, Руководство пользователя, Страница: 24 / 30

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Dewhot | Gas geyser manual
Error Solution
E5
Faulty/damaged or
unplugged output
water temp sensor
Check whether the water temp. sensor is
unplugged, damgeded or burnt
Change the sensor
E6
Short circuit of
the outlet water
temperature
sensor
Temperature of
hot water has
exceeded 85°C
Check the gas pressure does not exceed 2,8 kPa at
the gas inlet
Water pressure suddenly dropped, causing a
temperature spike (check the flow rate is above 3lt/
min with the bucket test)
Change the radiator water temp. sensor for an 85°C
sensor;
Change the outlet temp. sensor
Change the diaphragm valve or controller
E7
The gas flow is
unstable, and has
switched off 5
times continuously
It is normal if it is the first time operation or the
appliance has been left unused for a long time;
Change the batteries for new batteries;
Check the gas inlet pressure is operating at 2,8 kPa
while the applinace is running
Change the diaphragm valve or controller