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Display in operating mode
Gas firing, pneumatic modulation
Valve test, phase 4 (test time V2).
When the post-purging time expires, the brackets G or brackets
L/A symbols and the Down arrow might also light up while the
servo drive for air is moving to the standby position.
Post-venting with fan in operation.
Post-venting ended. The fan is off. The servo drive for air goes
to the standby position.
With electronic modulation in gas firing mode only. Post-ven-
tilation terminated. The fan is OFF. Gas servomotor is moved
into idling position.
If a wait is programmed or if low gas supply is detected during
the start phase, the wait is counted down. Minutes on the left,
seconds on the right.
Standby, wait for request for heat. Setup mode and paramete-
risation mode can be activated. See setup mode, "Gas firing,
electronic modula-tion", and "Display in parameterisation
mode".
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