Hisense HER30F5CSS - Troubleshooting Guide; Information Codes Continued; Replacing Parts; Removing the Oven Door

28
The oven door switch
is broken, causing the
circuit to misjudge
that the door is
open, so it causes the
oven to stop heating.
Replace the oven
door switch.
E7
The electronic
components of the
circuit board are
broken.
Replace the circuit
board.
The heating tube is
broken.
Replace the heating
tube.
The oven door switch
is broken, causing the
circuit to misjudge
that the door is
open, so it causes the
oven to stop heating.
Replace the oven
door switch.
E8
The electronic
components of the
circuit board are
broken.
Replace the circuit
board.
The latch motor is
broken.
Replace the latch
motor.
If it is in the
unlocking process,
the micro switch at
the latch S2 position
is broken.
Replace the micro
switch at the S2
position of the latch.
If the door is being
locked, the micro
switch at the latch S3
position is broken.
Replace the micro
switch at the S3
position of the latch.
E9
The electronic
components of the
circuit board are
broken.
Replace the circuit
board.
Abnormality of local
AC power 120V/240V
frequency
50Hz/60Hz.
Turn off the power
for 30 seconds and
turn on the power
again.
E10
The main control
chip SH79F326 is
broken internally.
Replace the circuit
board.
E11
The NTC thermistor
on the main control
Replace the circuit
board.
circuit board is
broken.
E12
The indoor ambient
temperature is too
high, resulting in
excessive
temperature rise.
Indoor ventilation
cooling.
NTC thermistor aging
failure, resulting in
inaccurate
temperature.
Replace the circuit
board.
Remark:
1
When E5, E6, E7 appears, you can press Cancel
to cancel.
2
E9 is the power supply frequency monitoring:
the power supply frequency range is between
(38Hz~75Hz), each monitoring time is 5 minutes, if the
frequency continuously exceeds the range within 5
minutes, it is a fault; if there is no AC signal for 5S
continuously, the fault .
3
In the event of E1, E3, E8 failure, you can long
press the (START+Num9) key 3S to enter the door lock
reset action: the door lock motor turns 3S to stop 2S, and
stops after 12 consecutive times, press the Cancel button
to stop.
11. Replacing the parts
(1) Removing the oven door
 CAUTION
 The door is very heavy. Be careful when removing
and lifting the door.
 Do not lift the door by the handle. Use two hands to
remove an oven door. For double ovens, repeat the
process for each door.
4
Prior to removing the oven door, prepare a
surface where you will place covered with a soft blanket.
You can also use the corner posts from your packaging
material.
5
Open the oven door.
6
Locate the oven door hinge locks in both
corners of the oven door, and then rotate the hinge locks
toward the oven door to the unlocked position. If the
door hinge lock is not rotated fully (see illustration B on
the left for an example of full rotation), you will not be
able to remove the door properly.
7
Partially close the door to engage the door
latch locks.