PROBLEM
•The machine is not cooling
• Only one container is not cooling
(the others are functioning cor-
rectly)
• Only one container is cooling too
much (the others are functioning
correctly)
&
CAUSE
• Fan motor is not functioning
• The compressor overload cut-out has inter-
vened
• One or more of the compressor's electrical
components are damaged (overload cut-
out, relay, condensers)
• Electronic circuit board is faulty
• Compressor motor is not functioning (short
circuit or mechanical blockage)
• Electrovalve is not opening (coil)
• Electrovalve is not opening (body)
• Electronic circuit board is faulty
• Gas low in the refrigerator circuit
• Electrovalve is not opening (coil)
• Electrovalve is not opening (body)
• The electrovalve is not closing
52
SOLUTION
• Check that the fan can turn freely. Remove
any obstacles. If faulty, replace the fan mo-
tor
• Check that the fan can turn freely. Remove
any obstacles. If faulty, replace the fan mo-
tor
• Replace the damaged electrical componen-
ts
• Replace the electronic circuit board
• Replace the compressor (see chapter 10)
• Replace electrovalve coil
• Replace electrovalve body
• Replace the electronic circuit board
• Check for the presence of a gas leak. Once
identified, seal the leak and recharge the
gas (see chapters 9.3. and 9.4.)
• Replace electrovalve coil
• Replace electrovalve body
• Replace electrovalve body