Zanussi ZS12V70CCHI Service Manual page 32

Error Code
Cooling system error
Gives ER 07 error (cooling system
error)
Connect the manifold to
the outdoor unit service
valve to measure the gas
pressure of the product and
run the product in cooling
mode. Can you see the gas
pressure?
Below are pressures according to
outdoor temperatures. Measure
outdoor temperatures. Are pressures
well below these values according to
the outdoor temperature?
Cover the surface of the evaporator
and switch the product to cooling
mode. Is there a part not frosting in the
evap inlet and outlet tubes?
Replace the indoor unit sensor group.
ER 07
NOTE:
error occurs when the compressor is working 1 hour after the product has been switched on. It usually occurs a result
of a gas leakage or impropriety. (Blocking or leakage in the capillary group, exchangers or interconnection pipes.) It has nothing to do
with the electronic board. Never replace the board due to this error.
Error Code
Outdoor unit pipe sensor is on or short
circuited
Outdoor unit gives SR 08 error after
operating (Outdoor unit condenser pipe
sensor error)
Measure the resistance of the pipe
sensor on the outdoor unit condenser
and compare the value to the sensor
values in the manual. Does it give the
correct value?
(7 Segment)
ER 07
NO
Is the pressure
YES
NO
NO
(7 Segment)
SR 08
YES
Outdoor unit LED signal 7 times.
YES
below 0 (-)
bar?
There is no gas in the product or there
YES
is leakage in the system. Find and
repair the leakage point, apply the
vacuum procedure and give gas at the
Blocking in the evaporator. Collect the
gas of the product into the outdoor
YES
unit and replace the evap. Then
vacuum the indoor unit, reopen the
gas collected in the outdoor unit and
Outdoor unit LED signals 14 times
NO
Replace the sensor group.
32
Outdoor unit led
Blinking 7 times - stopping for 3 sec.
Capillary group blocked.
Replace the capillary group.
Perform vacuming and give
gas at the label value.
label value.
operate the product.
Outdoor unit led
Blinking 14 times - stopping for 3 sec..