11
1.
3.
2.
Fig. 2
1.
Tip the front panel forward slightly at the top.
2.
Undo the locking screws until the front panel can
be removed.
Function sequence and possible faults
Shown on display
Measure
Control unit issues a heat
demand
No
Increase set value and en-
sure heat is drawn off
Yes
Fan starts
No
After approx. 51 s fault F9
Check the fan, fan connect-
ing cables, power to the fan
and fan control.
Burner blocked and 3 is dis-
played in code 38. (Coding
level 2/boiler)
Check the connecting cable
and combustion chamber
pressure limiter.
Yes
Ignition
No
Fault EE
Check ignition module (con-
trol voltage 230 V across
plugs "X2.1" and "X2.2").
Check the gas supply.
Yes
Gas train opens
No
Fault EE
Check the gas train (control
voltage 230 V
∼
); check the
gas supply pressure.
Commissioning, inspection, maintenance
Removing the front panel
5792 925 GB
Summary of Contents for Vitocrossal 100 CI1
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