27
Fault codes
Displayed
fault code
System characteris-
tics
Cause
Measures
aa
■ Boiler pump ON
■ Return tempera-
ture raising facility
open
■ Buffer valve open
■ Too much wood
charged.
■ Incorrect set
value selected at
programming
unit.
■ Faulty system
component
(pump, valve or
temperature
sensor).
■ Activate „Draw off
excess heat“ function.
■ Check the cylinder tem-
perature before heating
up and before recharg-
ing fuel. Can the energy
to be expected be
drawn off or stored?
■ Check boiler circuit
pump, boiler control
valve and temperature
sensor.
■ Undo the dust cap on
the high limit safety cut-
out and press the reset
button (only possible if
the boiler water temper-
ature is below 70 ° C)
and acknowledge the
fault.
20
Control mode
Short circuit, boiler
sensor
Check boiler sensor
21
Control mode
Short circuit, boiler
return sensor
Check boiler return sen-
sor
22
Control mode
Short circuit, flue
gas sensor
Check flue gas sensor
24
Control unit set to
0 °C outside temper-
ature
Short circuit, out-
side temperature
sensor
Check outside tempera-
ture sensor
25
No DHW heating
Short circuit, top
buffer sensor
Check top buffer sensor
26
Control mode
Short circuit, cen-
tre buffer sensor
Check centre buffer sen-
sor
27
Control mode
Short circuit, bot-
tom buffer sensor
Check bottom buffer sen-
sor
30
Control mode
Lead break, boiler
sensor
Check boiler sensor
Troubleshooting
Fault display
(cont.)
5604 447 GB
Содержание KOB Pyromat ECO
Страница 42: ...42 230V connection Designs Connection and wiring diagram 5604 447 GB ...
Страница 43: ...43 LV connection Designs Connection and wiring diagram cont 5604 447 GB ...
Страница 46: ...46 Plug X1 Drawing assignment 1 6 1 2 3 4 5 6 7 X1 Designs 230 V plug cont 5604 447 GB ...
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