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7 Error codes
In the event of a failure (this is indicated by a number code on the display) you
can try to eliminate the failure by pressing the Reset button. If the failure persists,
please contact your installer as soon as possible and tell him the number code.
There are also messages with a number code that
constitute no failures. These messages will cancel
themselves over time (*) or they need intervention.
Operating the reset button has no effect then.
10 Outside sensor error 111 Maximum temperature exceeded
20 Flow sensor error 117 Pressure too high (> 3 bar) or pump pressure increase too high
(iC & iS-Range only)
40 Return sensor error 118 Pressure too low (< 1 bar) or pump pressure increase too low
(no pump detection) (iC & iS-Range only)
50 DHW sensor error (iC-Range only) 119 Link on X2 position 4 and 5 missing
61 Bus communication error 129 Fan error (fan does not start up)
78 Water pressure out of range 133 No ame after 5 ignition attempts
105* Venting program active when power turned on or
interrupted (runs approx. 7 mins.)
151 Fan error (speed control is not achieved or is out of range) or
control unit defective
110 Safety temperature exceeded 154 Flow temperature increases to fast, return > ow
If leaks occur in the installation, please contact your installer.
8 Maintenance
Conclude a maintenance agreement with your installer in order to have the
installation periodically checked and adjusted.
The cover of the boiler consists of metal and plastic parts, which can be cleaned
with a normal (non-aggressive) cleansing agent.
9 Warranty
For the warranty conditions, see the Warranty Card that has been supplied with
the boiler.
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