BCD-430WP Service Manual
17
Whether there is frost jamming, whether there are heavy frosts formed
on the evaporator and air duct outlet. If yes, refer to the following Item
(8).
Power on the system,and check whether the fan is normal by reference
to Item (7).
Power on the system, enter the maintenance program, wait 2 minutes
before opening the air damper, and check whether the air damper can
be opened normally; if it cannot be opened normally, replace the air
damper; (It takes some time for the air damper to reset every time when
the system is powered on.)
c.
Cut off power supply, replace the display panel, power on the system when
the door is opened, close the door for cooling 10 minutes, and then open the
fridge door, hold down the door lamp switch, checking whether there is cool
air blown out of the fridge air outlet.
d.
Cut off power supply, replace the main board, power on the system when the
door is opened, close the door for cooling 10 minutes, and then open the
fridge door, hold down the door lamp switch, checking whether there is cool
air blown out of the fridge air outlet.
(6)
The refrigerator is not cooling.
Cut off power supply, remove the electrical box cover, check whether the
terminals on the main board are properly connected, insert them well again, and
then power on the system when the door is opened, wait for 10 minutes to
observe whether the refrigerator compressor can be started. If not, refer to Item
(2); and if yes, touch the left and right-side plates by hand to check whether they
are hot or not. If not hot, it is judged to be the refrigerant leakage fault, then
conduct vacuum pumping and charge the refrigerant again.
(7)
The refrigerator air fan is not running.
a.
Cut off power supply, remove the electrical box cover, check whether the
terminals on the main board are properly connected, insert them well again,
power on the system, hold down the combination keys of ‘Function’ and ‘OK’
for 5 minutes to enter the maintenance program; turn the fan on, open the
freezer door, and place your hand on the air duct to check if there is cool air
blown out.
Cut off power supply, remove the freezer air duct assembly, check whether
the terminals are properly connected, and whether there is such interference
as ice, wire harness or other foreign matter. If the terminals are loose or
detached, reconnect them well; if there is ice, perform the maintenance
program first to confirm whether the fan is in good condition or not. Ifyes,
