I-67
Z-038791_EN • Rev A
A
dditionAl
i
nformAtion
for
the
i
nstAller
Error
code
Fault description
Explanation
Action(s)
195
Maximum duration of the
refill per charging exceeded
Check automatic refill system.
The use of an automatic refill system is not recommended
196
Maximum duration of the
refill per week exceeded
Check automatic refill system.
The use of an automatic refill system is not recommended
209
Fault heating circuit
Check the heating circuit configuration.
Reset to default parameters
216
Fault boiler
Check the heating circuit configuration.
Reset to default parameters
217
Sensor error
Check connection and sensor. Replace
as required.
218
Pressure supervision
Check system pressure.
243
Swimming pool sensor, er-
ror
Check connection and sensor. Replace
as required.
260
Flow temperature 3, sensor
error
Check connection and sensor. Replace
as required.
270
Temperature
difference,
heat exchanger too large
Check the heating system external hy-
draulic components.
317
Mains frequency outside
permissible range
Check correct electric supply in boiler
terminals.
320
DHW charging tempera-
ture, sensor error
Check connection and sensor. Replace
as required.
321
DHW outlet temperature,
sensor error
Check connection and sensor. Replace
as required.
322
Water pressure 3 too high
Release the water to a suitable pressure.
323
Water pressure 3 too low
Top up the system with water to reach a
suitable pressure.
324
Input BX, same sensors
Check configuration in parameters list
325
Input BX/extension module,
same sensors
Check configuration in parameters list.
326
Input BX/mixing group,
same sensors
Check configuration in parameters list.
327
Extension module, same
function
Check configuration in parameters list.
328
Mixing group, same func-
tion
Check configuration in parameters list.
329
Extension module/mixing
group same function
Check configuration in parameters list.
330
Sensor input BX1 without
function
Connect temperature sensor in BX termi-
nal
i
i
