BCD-430WP Service Manual
12
b)
Door open alarm: When any door is open for more than 3 minutes, the buzzer will
issue alarms continuously until the said door is closed. The alarm can be stopped
when any key is pressed, but it will be restored after 3 minutes if the door keeps
open.
7)
Fault indicators
The general information and item information displayed under different failure
categories are as follows:
S/N
Failure Type
Item Information
1
Fridge sensor fault
The graphic of the fridge zone lights up, with E0
displayed.
2
Freezer sensor fault
The graphic of the freezer zone lights up, with
E0 displayed.
3
Freezer evaporator
sensor fault
he graphic of the freezer zone lights up, with E1
displayed.
4
Communication fault
EC is displayed.
5
Ambient temperature
sensor fault
EH is displayed.
6
7
8
1)
If the fault messages E0 and E1 need to be displayed at the same time, E2 will
be displayed instead.
2)
In case the number of sensor faults or compartment sensor faults is more
than two, the number will be displayed.
2.
Fault troubleshooting
(How to detect the fault is presented here only, and for details about disassembly and
assembly, see the next chapter.)
Note
：
Makesure to cut off power supply before servicing.
(1)
Fridge sensor fault (The fridge zone icon is flickering, with E0 displayed)
a.
Cut off power supply, remove the electrical box cover, check whether the
temperature sensor terminal on the control board is well connected, insert it
again, and then power on the system to observe whether there is alarm or
not.
b.
If the alarm continues, cut off power supply, remove the fridge air duct
assembly, check whether the temperature sensor terminal iswell connected,
insert it again, and power on the system to observe whether there is alarm or
not.
c.
If the alarm continues, cut off power supply, connect a new fridge
temperature sensor to the terminal inside the cabinet, and power on the
system to observe whether there is alarm or not; If thealarm gets stopped,
