If there is any abnormality in the product, check the following before consulting with
the installation personnel.
If the check lamp light is on to indicate an abnormality, take proper actions by symptoms
as presented in the following, and restart the boiler. (Re-insert the power plug or set
the restart switch at ON to re-operate the boiler.)
If the boiler does not operate, call the nearby any distributors.
How to Iocate troubles an
d
solve
26
S
ymptoms
Causes
Actions
The Power lamp
does not light.
(No indication of
power supply)
The fuse is burnt out.
Power failure.
The plug contact failure.
The power plug is not connected.
The room temperature is higher than the
designated temperature.
The temperate set by the boiler temperature
controller is too low.
The heating pipe has run out of water, or the
makeup water valve is closed.
The low water level connection wire(Yellow)
on the controller is incorrectly connected or
short-circuited.
The earth wire on the controller (Red)is
incorrectly connected.
Flame is not detected.
The ignition spark is not generated.
The sensor wire on the controller is incorrectly
connected or short-circuited.
The heat exchanger is overheated.
The heating pipe is clogged.
The valve on the heating pipe is closed, or the
pipe is clogged.
The heating pipe is filled with air or has a water
leak.
The circulation pump does not operate.
The valve on the hot water supply pipe is
closed, or the pipe is clogged.
The duct on the chimney is incorrectly installed.
The chimney is clogged.
Replace the fuse.
Wait for the power recovery.
Consult with the installation
personnel.
Connect the power plug.
Increase the temperature on the
room temperature controller
supplied in the room.
Increase the temperature on the
boiler temperature controller.
Fill the makeup water
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
Consult with the installation personnel..
The boiler operates normally,
but the heating does not work.
The boiler operates normally,
but hot water is not supplied.
Too much noise is generated
during ignition and combustion
The Power lamp is
on, but the boiler
does not work
Makeup water
Check
Sensor
Overheat
The
boiler
does
not
operate.
Summary of Contents for LST-58K
Page 1: ...LST 58K...
Page 2: ......
Page 11: ...The structure and its description 11 Boiler LST 58K...
Page 28: ...Outside drawing on the boiler 29 LST 58K...
Page 42: ...43 Standard piping drawing Open expansion Combi boiler Closed expansion Combi boiler...
Page 51: ...55 Electric wiring diagram IU08 2 IU0 D 2 OFU05G IU08K DU06P...
Page 53: ...memo 57...
Page 54: ...58 memo...
Page 55: ......