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REVO-E Heat pump 5 Troubleshooting
Chapter 4 contains the functional relationships when
searching for errors.
Recognizing errors is normally limited to localizing the
defective components. The following causes of malfunc-
tions are not considered and should be verified and elimi-
nated if a malfunction occurs for these reasons:
• corrosion on the plugs
• loose contact
• crimping errors on the plugs or pins
• corrosion on lines and fuses
• corrosion on the battery poles
• damage to the line insulation
ATTENTION:
Search for malfunctions before replacing a fuse.
Separate the air-conditioning system from the
vehicle’s wiring system and replace the fuse while the
system is powered down.
Install a fuse of the correct size (see Chapter 6 Wiring
plan).
Inspect the system’s functionality after elimination of a
malfunction in the vehicle.
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