
8. TROUBLESHOOTING GUODE (ERROR CODE)
“04” flashes
on the room
thermostat
“08” flashes
on the room
thermostat.
The
Blowing/Exha
ust fans do
not work.
- The overheat safety device is activated and the operation of the boiler is suspended because
the heating water temperature of the boiler is excessively high.
- In this case, the circulation pump should be activated and it will reduce the heating water
temperature of the boiler.
- The water temperature sensor in the boiler has a problem.
- Stop the operation of the boiler and contact a local distributor or A/S center.
-
The contact for the blowing/exhaust fans is wrong.
-
The circulation point of the heat exchanger is reached.
- If release is not done continuously, contact a local distributor or A/S center.
- The connecting cable of the room thermostat is excessively long (≥ 10M) or the connecting
cable has come into contact with a high-voltage cable or telephone cable. In specific cases, using a
special cable is - required for reinstallation.
- Contact a local distributor or A/S center.
The water is insufficient in the boiler. If the water is insufficient, the water is automatically
supplied and, when the water becomes sufficient, the boiler works properly.
If release is not performed continuously and makeup water is not supplied, contact a local
distributor or A/S center.
code
"01,” “02,” or
“03” flashes
on the room
thermometer
Troubleshooting
8-1 FINDING FAULT
-
Ignition is not done or ignition is done but has immediately shutdown due to a disorder in
flame detection. This may not be the trouble of the boiler and may be temporarily due to an
outside condition. Push the Power/Restart button of the room thermostat in order to restart the
boiler.
-
If the abnormality continues, contact a local distributor or A/S center.
“95” flashes
on the room
thermostat
“96” flashes
on the room
thermostat
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Содержание KRH-35B
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