1 SAFETY
1.1 Danger
Repairs may be carried out by an electrician only!
Improper repairs may endanger and injure the user!
To prevent electric shocks, always comply with the following
information:
• If the appliance is faulty, the housing and frame may be live!
• Do not touch any modules in the appliance, even modules can be
live!
• Before commencing repairs, always disconnect the appliance from
the power supply!
• If tests have to be performed while the appliance is live, always
use a residual-current-operated circuit-breaker!
• The protective conductor connection must not exceed the standard
values! This connection is extremely important for personal safety
and function of the appliance!
• When repairs are complete, conduct a test in accordance with
VDE 0701 or national regulations!
• When repairs are complete, conduct a function test!
• When repairs are complete, conduct a leak rate test!
1.2 Caution!
Always comply with the following instructions to prevent damage to
the appliance or to components:
• Comply with ESD instructions!
• Never attempt repairs by randomly replacing components!
• Always proceed systematically and follow the troubleshooting
instructions!
• Do not test the high-voltage circuit while the appliance is running –
Danger of death -!
• Always discharge the high-voltage capacitor before testing!
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