173_58300000002379_ara_en_j.doc – 29.04.14 Seite 2 von 41
1 SAFETY
1.1 Safety instructions
Danger!
► Repairs may be carried out only by customer service
engineers trained by the manufacturer!
► The user may be put at considerable risk and injured by
improper repairs!
► If the appliance is faulty, the housing or frame may be live!
► Do not touch components in the appliance. Even the modules
can be live!
► Before commencing repairs, ALWAYS disconnect the
appliance from the power supply!
► If tests have to be conducted while the appliance is live,
ALWAYS use a residual-current-operated circuit-breaker!
► The protective conductor connection must not exceed the
standardised values! This is essential for personal safety and
appliance function!
► When repairs are complete, conduct a test in accordance with
VDE 0701 or the corresponding national regulations as well as
a performance test!
► Conduct a leak and performance test on the refrigeration
circuit.
1.2 Repair instructions
Caution!
► Comply with ESD information!
► NEVER attempt repairs by randomly replacing components!
► Always proceed systematically and comply with the technical
documentation for the appliance!
► As a rule, printed-circuit boards are not repaired but are
completely replaced by original spare parts. Exceptions are
documented separately.
► When handling refrigerants, wear goggles and protective
gloves. If refrigerant splashes into eyes, rinse with plenty of
water.
► Pipe connections in refrigeration circuits must not be soldered.
Lokring connections must be used.
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