40
Er 18 Fault:
Test the actual working frequency of the
power within the beginning 5 seconds before
connecting to the power to confirm the
reference working frequency.
If the working frequency is around 50±3Hz,
then the power reference working frequency
is considered to be 50Hz; if the working
frequency is around 60±3Hz, then the power
reference working frequency is considered to
be 60Hz.
When confirm the power reference working
frequency, if the power working frequency
is 2Hz lower or higher than the reference
working frequency for 5 seconds, then it will
be considered to be abnormal power working
frequency and the boiler will enter into failure
status. Meanwhile, other components will
be closed except the pump and fan will run
for once to ensure the safe operation of the
boiler. When the power working frequency is
±2Hz than the reference working frequency,
the power frequency fault will be solved
automatically.
Er 13 Fault:
Er13 means EEPROM fault has occurred on
the inner circuit board. Please replace the
circuit board.
Er 14 Fault:
Er14 means the temperature of heating water
is ≥93
°C
, please check if the heating pipeline
is blocked or if all the valves in the heating
pipeline are opened or if the discharge of
condensing water is normal.
Er 15 Fault:
Er15 means the gas valve circuit inside the
circuit board is out of order. Check if the
circuit is damp.
Er 16 Fault:
If flameout occurred during the combustion
operation process (the gas valve close in
one second), the system will try to reignite
automatically. If the unexpected flameout
has been detected for 8 times continuously
in 5 minutes, then the flameout fault will be
occurred and it will be locked which need to
be reset manually.
Er 17 Fault:
If the electric supply voltage is lower than
130V for 10 seconds after the boiler is
connected to the power, then it will be
considered as over-low voltage, and the boiler
will enter into failure status. Meanwhile, other
components will be closed except the pump
and fan will run for once to ensure the safe
operation of the boiler (when the voltage is
too low, the executive components cannot
guarantee to be started safely, so the gas
valve has to be kept in close state). When the
voltage is higher than 155V, the electric supply
voltage fault will be solved automatically.