Before ask for service
(1) Do not light match and lighter & Do not turn on the light.
(2) Stop using boiler immediately Close gas intermediate valve, and contact
with a special gas supply installer.
(3) Check regularly if there is a gas leakage by pasting spraying a soapy water.
Warning
Smell of
exhaust gas
1. Is it mounted to exhaust pipe ?
2. Is it close to exhaust pipe ?
1. Check the installation following the
installation manual.
2. Have to seal packing not to leak in
connect part..
1. Plug in or not ?
2. [11] mark on Control panel?
3. Is Gas supplied normally ?
1. Plug in
2.Turn off the power switch and turn it
on again.
3. Open the intermediate valve, if
there was not the gas, change new
one.(In case of LP (liquefied
petroleum) gas)
1. Mount boiler on wall well.
2. Is exhaust pipe clogged or not ?
1.Make sure to mount gas boiler on
the wall
2.In case of making a strange noise
after fixed special service is required.
Hot water does
not come out.
1. Water supply valve’s not open.
2. Water supply filter is clogged.
3. Water flow rate is too small.
4. Do you use hot water at many
places at the same time.
1. Open direct water supply valve.
2. Clean the filter ( refer to page 8)
3. If the hot water valve fully open, in
case of less than 2.7 min. of water
supply, you can’ t use the hot water.
4. Quantity of hot water decreased as
hot water used other places
coincidence.
Water
temperature
is too low.
1.Hot water temperature is set too low
2. Is there too much mixture of
hot-cold water ?
1. Set hot water temperature properly.
2.Decrease the quantity of cold water.
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