Technical Information
54
DG 408x Steam Ovens
070 Technical Service Bulletins
1
DG 4080 Steam Oven Displays F20 in a New Installation
When a DG 4080 displays F20 (heating fault), there are several possible
causes outlined in the service documentation.
If you should encounter a new steam oven with persistent F20 problems,
please ascertain that the unit is properly connected to 240 volts. If the steam
oven is connected to 120 volts, the electronic will still operate and show a
display, but the steam generator will never properly heat up.
The absolute confirmation for this problem is to remove the unit and measure
the voltage at the outlet.
Position Setting / Activation Description / Result
PROGRAM
INDEX
CONTROL
ELECTRONIC
e.g. EPX 702
ID33795 V.2
The ID number of the Control
Electronic (2N1) is indicated.
OUTPUT
ELECTRONIC
e. g. EPL
700 ID00796
The ID number of the Output
Electronic (3N1) is indicated.
FAULT
MEMORY
e. g. Fault 01
All faults registered so far are
indicated.
Delete faults All saved faults are deleted.
FUNCTION
TEST
HEATING
CIRCUIT 1
On
The steam generator heater (1R25) is
switched on.
Off
The steam generator heater (1R25) is
switched off.
FUNCTION
TEST
HEATING
CIRCUIT 2
On
The steam generator heater (2R25) is
switched on.
Off
The steam generator heater (2R25) is
switched off.
FUNCTION
TEST
FLOOR HEATER
On
The floor heater element (R28) is
switched on.
Off
The floor heater element (R28) is
switched off.
FUNCTION
TEST
FAN (M2)
On The fan motor (M2) is switched on.
Off The fan motor (M2) is switched off.
FUNCTION
TEST
DOOR OPENER
(Y56)
On
The release element (Y56) is activated
and controls the door opener via a
metal rod, which opens the door a
crack.
Off The door closes again slowly.
FUNCTION BUZZER On The buzzer sounds.
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