Vaillant ecoCOMPACT VCC4 Series Installation And Maintenance Instructions Manual page 21

Table of Contents

Advertisement

Result
Meaning
"Warning"
Combustion
quality inad-
equate.
The CO₂ value is
incorrect.
F.93
Combustion
quality outside
Gas group
the permitted
fault
range
Note
It is not possible to perform CO₂ measure-
ments during the gas family check.
Applicability: Germany
Perform the gas family check as part of routine product
maintenance work, after replacing components, carrying
out work on the gas route and following gas conversion.
Result
Meaning
F.92
The coding
resistor on the
Coding
PCB does not
resistance
match the gas
fault
group that is
entered
"Successful"
Combustion
quality is good.
Unit configur-
ation matches
the specified gas
group.
0020181421_04 ecoCOMPACT Installation and maintenance instructions
Measure
Start check programme
P.01 and adjust the CO₂
value with the adjusting
screw in the Venturi.
If the correct CO₂ value
cannot be set: Check
that the gas restrictor
is correct (yellow: G20
natural gas, blue: G25
natural gas, grey: Liquid
gas) and undamaged.
Repeat the gas family
check.
Damaged or incorrect
gas restrictor (yellow:
G20 natural gas, blue:
G25 natural gas, grey:
Liquid gas), incorrect gas
group, internal pressure
measuring point in Ven-
turi blocked (do not use
lubricants on the O-ring
in the Venturi), recircula-
tion, defective seal.
Eliminate faults in the
product.
Set the correct CO₂
value using check pro-
gramme P.01 (adjusting
screw in the Venturi).
Repeat the gas family
check.
Measure
Check the coding res-
istor, repeat the gas fam-
ily check and enter the
correct gas group.
None
Result
Meaning
"Warning"
Combustion
quality inad-
equate.
The CO₂ value is
incorrect.
F.93
Combustion
quality outside
Gas group
the permitted
fault
range
Note
It is not possible to perform CO₂ measure-
ments during the gas family check.
Applicability: Austria
Perform the gas family check as part of routine product
maintenance work, after replacing components, carrying
out work on the gas route and following gas conversion.
Result
Meaning
F.92
The coding
resistor on the
Coding
PCB does not
resistance
match the gas
fault
group that is
entered
"Successful"
Combustion
quality is good.
Unit configur-
ation matches
the specified gas
group.
Start-up 7
Measure
Start check programme
P.01 and adjust the CO₂
value with the adjusting
screw in the Venturi.
If the correct CO₂ value
cannot be set: Check
that the gas restrictor
is correct (yellow: G20
natural gas, blue: G25
natural gas, grey: Liquid
gas) and undamaged.
Repeat the gas family
check.
Damaged or incorrect
gas restrictor (yellow:
G20 natural gas, blue:
G25 natural gas, grey:
Liquid gas), incorrect gas
group, internal pressure
measuring point in Ven-
turi blocked (do not use
lubricants on the O-ring
in the Venturi), recircula-
tion, defective seal.
Eliminate faults in the
product.
Set the correct CO₂
value using check pro-
gramme P.01 (adjusting
screw in the Venturi).
Repeat the gas family
check.
Measure
Check the coding res-
istor, repeat the gas fam-
ily check and enter the
correct gas group.
None
21

Advertisement

Table of Contents
loading

Table of Contents