Copyright by Servizio Clienti ANGELO PO Spa
58
and Check the fan speed less then 500rpm. If alarm
then set STEP 7. If no alarm then step 0 = Standby is
selected.
7 OFF 0 OFF
LOCKOUT: the burner is locked. Internal safety check
is performed. After 5 secs. if the alarm is recoverable
then Step 8 is selected. If not recoverable then alarm is
displayed and remain in this status.
8 OFF 0 OFF UNLOCKABLE: ignition is locked until RESET.
9 OFF 0 OFF RESET: RESET activated and pass to phase STANDBY
10 OFF Ignition speed
OFF
POSTPURGE: always activated for about 13 secs. and
then it pass to STEP 6 = if Stop is selected or it pass
STEP 4 if it needs to recycle
The combustion control board is controlled by the power board with the following
commands:
-
Burner ignition
-
Burner off
The combustion control board start with the state "0" STANDBY, and when the power
board requires turning on the burner, go to the state "5" OPERATIVE, once detected the
presence of the flame. All intermediate states are done. When in state "5", depending on
the need for power / temperature, the power board drive the combustion control board
which controls the blower speed. When the oven reaches the temperature, the burner turns
off and the combustion control board goes in state “10” = postpurge and then in step "6"
and then returns available in the state "0". If there is any alarm then step 7 and 8 are
selected.
If there are problems the board turn on state “7” or "8" ( Locked Steps ), showing alarm.
For example GAS: F4 can be reset from the panel.
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