Failure Code Display - Haier JC-298G Service Manual

Failure code display

Error
Description and reason
indicator
Sensor A is failure (broken circuit or
F1 open circuit).
Red indicator is light with buzzing.
Sensor B is failure (broken circuit or
F2 open circuit).
Red indicator is light with buzzing.
When the sensor A and sensor B are
all failure (broken circuit or open
F3 circuit), it shows "F3". Red indicator is
light with buzzing. Compressor enter
into protection mode (stop cooling).
Continuous compressor running time
is more than 3 hours, and Sensor B
F4 felt the inner temperature change is
within 1 ℃. Compressor enter into
protection mode (stop cooling).
REMARK:
Buzzing sound can hear when "F1" or "F2" or "F3" or "F4" appears on the display
panel. Press the "ALARM" button can remove the buzzing sound.
Solutions
Check sensor A and it's connecting
status, replace sensor if necessary.
Check sensor B and it's connecting
status, replace sensor if necessary.
Check sensor A and sensor B and
their connecting status, replace
sensor if necessary.
Check if sensor B and it's
connecting status is failure, check
cooling system.