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14. SEARCH FOR FAILURES AND THEIR ELIMINATION
14.1 Error codes
Contamination of the boiler's operation, caused by the refuse or faulty operation of any of its systems, is
accompanied by an appropriate error code displayed on the boiler's control panel (see p. 3.1 , page. 8) which
facilitates failure detection.
Error codes, possible reasons and methods of troubleshooting are represented in the table 4.
Cod
Failure
e
Defects related to the faulty
01
ignition
Boiler doesn't operate *
Heat carrier overheating
02
The boiler doesn't work *
Reason of failure
User and technical staff manual
Gas supply disturbance
Failure of ignition plug
Electric circuit of ignition plug is damaged Check electric circuit and contacts
Wrong gap between ignition plug and
burner section
Spark of electrode of ignition plug slips on
the shell of combustion chamber
Ignition plug is contaminated
Failure of ionization plug
Electric circuit of ionization plug is
damaged
Wrong gap between ionization plug and
burner section
The ignition transformer is out of order
Electric circuit of the ignition transformer
is damaged
The burner block is contaminated
Electric circuits of gas supply regulator
are damaged
Gas supply regulator doesn't work
The thermo relay is out of order
(normally closed at temperature up to 90
°С)
Electric circuit of thermo relay
(overheating sensor)is damaged
The heating system is contaminated
The thermo relay is out of order
(normally closed at temperature up to 90
°С)
Air lock in the heating system
Filter is the heating system is
contaminated
Bypass valve is out of order or wrong
installed
Pump or air outlet valve is out of order
The pump relay on the electronic board is
out of order
Gas supply regulator doesn't work
Gas supply regulator is not adjusted
Electric circuit of thermo relay(overheating
sensor) is damaged
33
Table 4
Troubleshooting
Open the stop valve on the gas
pipeline
Check pressure in the gas cylinder
(liquefied gas)
Address to gas service
Replace the ignition plug
+0,5
Install a gap (5
mm).
Bend a shell of combustion chamber in
the place of ignition plug installation
Wipe the plug from dust and degrease
Replace the plug
Check the electric circuit and contacts
0,5
Install a gap (3+
mm).
Replace the ignition transformer
Check the electric circuit and contacts
Clean the burner block (see p. 16.1.1,
page 37)
Check the electric circuit and contacts
Replace the gas supply regulator
Replace thermo relay
Check the electric circuit and contacts
Clean the heating system
Replace thermo relay
Open air outlet valve
(see p. 16.2.2.5 , page 39)
Clean the filter
Check proper installation of the
details of bypass valve and replace it
if necessary
Replace the pump or air outlet valve
Replace the electronic board
Replace the gas supply regulator
Adjust the gas supply regulator (see
section 11, page 25)
Check electric circuit and contacts
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