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33
10 Error list
In the following tables are listed the Caldaria Condensing 100 series errors. If the error is a type
“A” the
“RESET” button needs to be pressed after eliminating the reason for the failure. If it is an error type “E”, the
boiler will go back to normal operation, with no need to press the “RESET” button, once the reason for the
failure has been eliminated.
10.1 Master board error
ERROR
DESCRIPTION
ERROR
DESCRIPTION
A16
Internal error
E02
Flow probe open
A18
Internal error
E04
Tank probe open
A20
Internal error
E18
Flow probe shorted
E20
Tank probe shorted
E23
Internal error
E24
Internal error
E25
Internal error
E26
Internal error
E32
No_slaves_present
E34
50hz_error
10.2 Slave board error
ERROR
DESCRIPTION
ERROR
DESCRIPTION
A01
Five unsuccessful ignitions attempts
E33
Live and neutral reversed error (ni)
A02
Several unsuccessful attempts for flame
ionization problems
E34
Reset button error. It has been
pressed more than 7 times in a 30
min interval
A04
Limit thermostat cut off water side (>90°C)
E35
Low water flow or low system pressure
(<0.5 bar)
A05
Gas valve coil cut off.
Gas valve connector false contact.
Defective gas valve connector.
Limit thermostat intervention (>90°C) while burner
was on.
E36
Internal error
A06
Missing or poor grounding
E37
Flame detection error
A07
Internal hardware error
E38
Shorted flue gas sensor
A08
Internal hardware error
E39
Flue sensor with open contact
A09
50hz_error
E40
50 hz error
A10
Internal hardware error
E41
Internal error
A11
Internal software error
E42
Shorted flow sensor error
A12
Internal hardware error
E43
Open flow sensor error
A16
The contact ot limit thermostat is open with burner
off
E44
Shorted return sensor error
A17
Flow sensor error for excessive limit temperature
E45
Open return sensor error
A18
Return sensor error for exceeding the limit
temperature
E46
Flow sensor error above
max_flow_temperature
A19
The flue sensor intervened for over temperature
>80°C.( In this case the fan operates at max
speed)
E47
Return sensor error above
max_return_temperature
A20
Flame out too late after closing gas valve
E48
Flue sensor error above
max_flue_gas_temperature
(in this error the fan is on at full
speed).
A21
Internal error
E49
Missing or poor grounding
A22
The slave had a type “E” error for more than 24
hours
A23
Internal error of the clock
A24
Fan error.
A25
Internal error
Summary of Contents for CALDARIA CONDENSING 100
Page 38: ...Installation and user manual...