11
Sympton
Things to Check
Solutions
No water
Whether the water supply
has stopped or whether
the water pressure is too
low
Whether the water usage
point is blocked or
whether the hot water
valve is opened
Check
Check and clear
Check and open
Whether hot water outlet
is opened
Whether the water
temperature is adjusted
Whether heating pipe is
damaged
Heating time is too short
and set temperature is
not achieved
Whether power is
properly connected
Whether thermostat is
out of control
Water has not reached
the set temperature
Whether thermostat is
out of control
Whether water pressure
is stable
Whether tte present
temperature setting is
too low
Whether water pressure
is too high
Small hot
water outflow
volume
Water volume
is sometimes
large or small,
or water is
sometimes
hot or cold
Heating
indicator light
is on all the
time
Only cold water
and the heating
indicator lamp
is not lit
Only cold water
but the heating
indicator lamp
is lit
Increase the temperature to the required
value. Once the water is heated to the
pre-set temperature, control flow volume
of cold and hot water using the
moderating mixing valve.
Adjust water temperature
Confirm that this is not due to the
reasons under 1, 2 and 3, then contact
Maintenance Department
Check and socket
Confirm that this is not due to reason 1,
then contact Maintenance Department
Confirm that this is not due to reason 1,
then contact Maintenance Department
Set lower mixing valve or ensure water
pressure is stable before use
Set lower mixing valve
Calibrate using the method stipulated in
the Instruction Manual
Continue heating
1.
2.
1.
2.
1.
2.
1.
2.
1.
2.
3.
4.
Troubleshooting
English
Summary of Contents for ES30V-A3
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