
I-61
A-070336_EN • Rev. A
A
dditionAl
i
nformAtion
for
the
i
nstAller
Error code
Fault description
Explanation
Action(s)
111
Temperature limiter safety shut-
down
Contact AIC technical sup-
port.
117
Water pressure too high
Release the water to a suita-
ble pressure
118
Water pressure too low
Top up the system with water
to reach a suitable pressure
125
Maximum boiler temperature
exceeded
Contact AIC technical sup-
port.
126
DHW charging temperature not
reached
Check operation and heat up
times for DHW
127
DHW legionella temperature not
reached
Check operation of appli-
ance
128
Loss of flame during operation
Ionization current lost after suc-
cessful ignition
Check electric supply, polar-
ity and ionization electrode.
129
Wrong air supply
Check air supply
130
Flue gas temperature limit ex-
ceeded
Heat engine is overheating
Check causes of high temps
Check connection and sen-
sor. Replace as required
Check connection and chim-
ney.
132
Gas pressure switch safety shut
down
Lack of gas
Check gas supply and pres-
sure
Check connection and com-
ponent
133
Safety time for establishment of
flame exceeded
Lack of gas,
Polarity of mains connection, safe-
ty period,
Reset, if the fault re-occurs
more than 3 times, contact
AIC technical support.
Check ignition electrode and
ionization current
146
Configuration error sensor/con-
trolling elements
Check sensor configuration
or replace component
151
LMS14… error, internally
Check parameters (see ad-
justment table installer and/
or call-up values)
Reset controller and/or re-
place as required,
Contact AIC technical sup-
port.
152
Parameterization error
Incorrect / Conflicting parameters
input.
Verify parameters or reset to
default parameters
153
Unit manually locked
Reset button stuck in
Check reset button
160
Fan speed threshold not
reached
Fan possibly defective, speed
threshold set wrongly.
Check parameters, connec-
tions and component. Re-
place as required
170
Error water pressure sensor, pri-
mary side
Check connection and sen-
sor. Replace as required.