Parsun EFI Outboard Alarm Indicators: Diode/Lamp & Buzzer Functional Description (F30, F40, F50, F60)
Welcome to your guide to understanding the alarm indicator system on your Parsun F30, F40, F50, or F60 EFI outboard motor.
These engines are equipped with a sophisticated warning system that uses lamps (diodes) and a buzzer to alert you to various operational statuses and potential issues.
Knowing what these signals mean is crucial for safe boating and timely maintenance.
Below, you'll find a detailed breakdown of the different alarm conditions and their corresponding indicator patterns.
| S.N. | L1 lamp | L2 lamp | Buzzer | Alarm condition | Description |
|---|---|---|---|---|---|
| 1 | Off | Off | Off | EFI system self-checking is normal when the main switch is 'ON' for the ECU. | Normal starting. (The L1 lamp will Blinking and the Buzzer will beep if the main switch remains in the 'ON' position for over 5 minutes). |
| 2 | Off | Blinking | Off | Abnormal EFI power voltage output (below 10V or over 16V). | Engine speed is limited to below 2500rpm. |
| 3 | Blinking | Off | Beep | Abnormal engine oil pressure (below 120KPa or over 500KPa). | Engine speed is limited to below 2500rpm and an alarm will warn if oil pressure remains abnormal for over 10 seconds. To restore engine RPM, cut off the power and restart the engine. |
| 4 | Blinking | Off | Beep | Water temperature is over 98°C. | Engine speed is limited to below 2500rpm. Engine RPM will recover automatically if the water temperature returns to normal. |
| 5 | Blinking | Blinking | Beep | Engine oil pressure sensor failure. | 1. Engine speed is limited to below 2500rpm and an alarm will warn if oil pressure remains abnormal for over 10 seconds. 2. To restore engine RPM, cut off the power and restart the engine. |
| 6 | Blinking | Blinking | Beep | Water temperature sensor failure. | Engine speed is limited to below 2500rpm. Engine RPM will recover automatically if the water temperature returns to normal. |
| 7 | Off | Blinking | Off | Fuel pump relay failure. | |
| 8 | Off | Blinking | Off | Ignition coil failure. | |
| 9 | Off | Blinking | Off | Impulse coil failure. | |
| 10 | Off | Off | Off | Engine speed is over 6350rpm. | Engine speed is automatically limited to below 6350rpm. |
| 11 | Off | Blinking | Off | Fuel injector failure. | |
| 12 | Off | Blinking | Off | High-pressure fuel pump failure. | |
| 13 | Off | Blinking | Off | Idle motor failure. | |
| 14 | Off | Blinking | Off | Intake temperature & pressure sensor failure. | |
| 15 | Off | Blinking | Off | Throttle position sensor failure. | |
| 16 | Off | Blinking | Off | Canister solenoid valve failure. |
Legend for Indicator Lamps
- L1 lamp
- This refers to the first indicator lamp (diode) on starboard side or the lower of the 2 lamps.
It is typically associated with oil pressure warnings and water cooling failures. - L2 lamp
- This refers to the second indicator lamp (diode) on port side or the upper of the 2 lamps.
It is often used for indicating issues like abnormal power voltage, temperature sensor failures, or other EFI system faults.