27
open.
Poor contact
between the
connector of the
temperature sensor
PT100 and the CN20
position of the circuit
board.
Replace the
connector.
The IC at the IC5
position of the circuit
board may be
damaged.
Replace the control
board.
E1
The door status
detection switch may
be damaged.
Replace the switch.
The door detection
switch wire group
plug and the
connector at the CN1
6position of the
circuit board may be
in poor connection.
Replace the
connector.
The circuit and
components of the
circuit board may be
damaged.
Replace the circuit
board.
E2
The display board is
broken.
Replace the circuit
board.
The power board is
broken.
Poor contact
between the plug of
the wire set and the
connector at the
CN18 position of the
power board.
Replace the
connector.
The plug of the wire
set and the
connector at the CN2
position of the
display board are in
poor contact.
E3
The door detection
switch S1 is broken.
Replace the oven
door switch in S1
position.
The circuit board is
broken.
Replace the circuit
board.
E4
The circuit and
components of the
main control circuit
board are damaged.
Replace the circuit
board.
The cooling fan is
broken.
Replace the cooling
fan.
The terminals of the
wire group and the
connector at the
position of CN3 on
the circuit board are
loose or have poor
contact.
Replace the
connector.
The thermal
protector K2 or K3 is
broken.
Replace K2 or K3
thermal protector.
The terminals of the
wire group and the
connector on the
CN7 position of the
circuit board are
loose or have poor
contact.
Replace the
connector.
E5
The electronic
components of the
main control circuit
board are broken.
Replace the circuit
board.
The heating tube is
broken.
AC: 240V without
electricity.
The thermal
protector K2 or K3 is
broken.
E6
The electronic
components of the
circuit board are
broken.
Replace the circuit
board.
The heating tube is
broken.
Replace the heating
tube.
