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Alarm/Warning
EVC Com error
EVC Override
High drive supply
High drive temp
High temperature
Low drive supply
No active autopilot control
unit
Possible cause
Lost communication with EVC
system (Volvo IPS and similar).
EVC override via SG05.
Supply voltage exceeds 35 V.
Drive electronic temperature
exceeds the set limit.
Excessive temperature in autopilot
computer (>80° C), possible long
term overload.
Low supply voltage.
Autopilot computer has lost contact
with active control unit.
Recommended action
• Check connection with EVC engine interface. For IPS, engine
must be running
• If unintended warning, make sure override handle is not be-
ing activated by loose objects
• Check battery/charger condition
• Switch off autopilot and let the drive unit cool down
• Check for overload in drive unit/steering system
• Check that the autopilot computer specifications matches
the drive unit
• Check that the drive unit is appropriately dimensioned for
the boat and rudder size
• Switch off autopilot
• Check for overload in drive unit/steering system
• Check that the autopilot computer specifications matches
drive unit
• Check battery/charger condition
• Verify mains cable has correct gauge
• Was active controller switched off/put to sleep?
• Take command with a different controller/remote
• Check connectors and cables
• Replace the control unit
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