Volvo Penta D4 Operator's Manual page 89

1.7.9 R
Explanation: Incorrect fuel pressure. Relief valve in the fuel system has released or is broken.
Reaction: Engine power is reduced.
Action:
• Please contact a Volvo Penta workshop.
1.9.7 R
Explanation: Fuel temperature too high.
Reaction: Engine power is reduced.
Action:
• Check the fuel level.
• Check fuel cooler.
• Check that no leakage occurs.
• Please contact a Volvo Penta workshop if the fault remains.
1.9.9 R
Explanation: Internal system fault in engine.
Reaction:
Action:
• If the engine can not be operated from the chosen control panel, use an alternative control panel.
• Please contact a Volvo Penta workshop.
2.1.2 R
Explanation: Incompatible engine type.
Reaction: System does not work.
Action:
• Check the driveline installation.
• Please contact a Volvo Penta workshop.
2.1.8 Y
Explanation: External unit is not correctly configured.
Reaction: EVC system does not work.
Action:
• Check the driveline installation.
• Please contact a Volvo Penta workshop.
Fault code register
87