Dewhot NDCT16DH - Error Code Guide (E0, E1, E2, E4); Error E0 Diagnosis and Solution; Error E1 Diagnosis and Solution; Error E2 Diagnosis and Solution

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Dewhot | Gas geyser manual
Dewhot | Gas geyser manual
Code Error Solution
EO
Accidental ameout, the
ame sensor could not
detect the ame signal
within 7s after the re-
ignition process
Check the gas inlet pressure is operating at
2,8 kPa while the applinace is running;
Check the gas valve is supplying 2,8kPa to
the burners while the applinace is running
on maximum temperature;
Check whether the ame sensor is
damaged or the connection wire is pulled
o;
Change the diaphragm valve or controller
E1
No ame signal detected
within 60s on the pilot
ame
No ame signal detected
within 10s on the main
burner
Check the gas inlet pressure is operating at
2,8 kPa;
Check whether the ame sensor is
damaged or the connection wire is pulled
o;
Check whether the pilot gas supply pipe is
twisted and blocked or cracked creating
a leak;
Check for bugs or spiders in the pilot
burner tube;
Change the diaphragm valve or controller
E2
20 min shut o
Normal operation, close and re-open the
tap.
E4
Flame signal detected
without any water ow
Check the gas inlet pressure is operating at
2,8 kPa;
Change the gas valve and perform a
pressure test