10
Diagnostic aid ThemaClassicPlus
Code
Fault type
Display
Checks to be performed
02
04
05
air flow safety
No ignition
note : maximum ignition time
= 7 seconds
Overheating loop
➢
This symbol is not instantaneously
displayed, but if it becomes displayed
after 40 s, check :
➥
the sucker or exhaust system
(clogged or too long)
➥
the pressure switch
➥
the electrical connections
➢
If the burner ignites
and turns OFF after 7 s:
➥
check the ionizing electrode
and/or its proper connection
➥
verify the configuration code
(23 in boiler data menu)
➥
Make sure that more than 40 V
are present between phase and earth.
Otherwise, add a no-earth kit.
➢
If the burner fails to ignite :
➥
Make sure that the gas valve is open.
➥
Check the gas mechanism
➥
Inspect the ignition electrodes
➢
If no spark train is present:
➥
Check the igniter for proper connection,
or check the igniter itself.
➥
Pump seized or its capacitor has failed
➥
Plate or installation valves shut
➥
Overheating thermostat failed
➥
Perform air bleeding
➥
Check the electrical connections.
Summary of Contents for ThemaClassicPlus F 24 E
Page 1: ...MEMO...
