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Owner's Manual DF20A, DF15A, DF9.9B Caution System

Owner's Manual DF20A, DF15A, DF9.9B Caution System
Suzuki Marine

CAUTION SYSTEM

The caution systems are designed to alert you to certain situations which may cause damage to your outboard motor.

Your outboard motor may become damaged if you rely on the Caution System to alert you to any malfunction that may occur or to give you an indication of the need for maintenance.
To avoid damage to your outboard motor, regularly inspect and maintain it.

Continuing to operate your outboard motor with the Caution System activated can result in severe damage to your outboard motor. If the Caution System activates while you are operating your outboard motor, stop the motor as soon as possible and correct the problem or consult your authorized Suzuki marine dealer for assistance.

Caution lamp check

TILLER HANDLE MODEL

Each time the starter system is operated, the caution lamp will light briefly for the first two seconds, regardless of the motor condition.

If the Caution System is not working properly, you may not be alerted to a condition that can cause damage to your outboard motor. If the caution lamp does not come on briefly once the starter system is operated, the caution lamp may be broken or a failure may exist in the system circuit. Consult your authorized Suzuki marine dealer.

REMOTE CONTROL MODEL

Each time the ignition key is turned to the “ON” position, the caution lamp will light briefly for the first two seconds and the buzzer in the remote control box will also sound.

If the Caution System is not working properly, you may not be alerted to a condition that can cause damage to your outboard motor.
If the caution lamp does not come on or the buzzer does not sound when the ignition key is turned on, the caution lamp or buzzer may be broken or a failure may exist in the system circuit. Consult your authorized Suzuki marine dealer.

Continuing to operate your outboard motor with the Oil pressure Caution System activated can result in severe damage to your outboard motor. If the Oil Pressure Caution System activates, stop the engine as soon as possible and add oil if necessary. If the oil level is correct, consult your authorized Suzuki marine dealer.

On remote control model:
The caution buzzer sounds when ignition switch is turned ON. Then it stops sounding when engine starts and the oil pressure switch turns OFF by reaching engine oil pressure at 29.4 kPa (0.30 kg/cm2 , 4 psi)

OVER-REVOLUTION CAUTION SYSTEM

This system is activated when engine speed exceeds the maximum recommended speed for more than 10 seconds.

If this system activates, engine speed will automatically be reduced to approximately 3000 r/min. with the caution lamp lit.

This system must be reset by moving the throttle to the idle position for about one second to restore full engine operation.

If the Over-Revolution Caution System activates at recommended maximum throttle and you are sure that the propeller pitch is sufficient and there are no factors like “over-trimming” or “ventilation”, there may be a problem with the Over Revolution Caution System.
Consult your authorized Suzuki marine dealer if the Over-Revolution Caution System activates for no apparent reason.

OIL PRESSURE CAUTION SYSTEM

This system operates when the engine lubricating oil pressure drops below the correct pressure.

If this system activates, the caution lamp will light. On the remote control model, the buzzer in the remote control box will simultaneously begin a series of beeps. When this system is activated at 2000 r/min. or higher, engine speed will automatically be reduced to approximately 2000 r/min.

If you continue to run, the engine will automatically stop 3 minutes after beginning of the above CAUTION system activation.

In case that the engine is automatically stopped due to the CAUTION system, the engine can be started again. However the CAUTION system will repeatedly activate until eliminating the cause.

If this system activates when operating, stop the engine immediately, if wind and water conditions make it safe to do so.

If you attempt to remove or reinstall the motor cover while the engine is running, you may be injured. To check the oil level, stop the engine and then remove the motor cover.

Check the oil level and add oil if necessary. If the oil level is correct, consult your authorized Suzuki Marine Dealer.

Your engine may become severely damaged If you rely on the Oil Pressure Caution System to indicate the need to add
engine oil. Check the engine oil level periodically and add oil as necessary.

Operating the engine with the Oil Pressure Caution System activated can result in severe engine damage. If the Oil Pressure Caution System activates, stop the engine as soon as possible and add engine oil, if necessary, or otherwise correct the problem.

COOLING WATER CAUTION SYSTEM

This system is activated when the cylinder wall temperature is too high due to insufficient water cooling.

The cooling water caution system will not detect high combustion chamber temperature caused by, for example, an oil system malfunction, poor quality fuel, or spark plugs with an incorrect heat range.

If this system activates, the caution lamp will light. On the remote control model, the buzzer in the remote control box will simultaneously begin a series of beeps. When this system is activated at 3000 r/min. or higher, engine speed will automatically be reduced to approximately 3000 r/min.

If you continue to run, the engine will automatically stop 3 minutes after beginning of the above CAUTION system activation.

In case that the engine is automatically stopped due to the CAUTION system, the engine can be started again. However the CAUTION system will repeatedly activate until eliminating the cause.

If the cooling water caution system activates when operating, reduce engine speed immediately and check to see if water is being discharged from the pilot water hole. If no water is seen, follow the procedures outlined below.

Water and wind conditions permitting, stop the motor, tilt it out of the water and remove any debris like seaweed, plastic bags or sand that may have blocked the water intakes.

Lower the motor into the water, being sure that water intakes are immersed, and restart it.

Check (A) that water discharges from the pilot hole and (B) that the caution lamp is no longer lit.

Be aware that the caution lamp may light again if engine temperature rises abnormally. If either of the above situations arises, your authorized Suzuki Marine Dealer must be consulted as soon as possible.

If pilot hole water discharge is sufficient, the caution lamp may still operate until engine temperature decreases. Run the engine in NEUTRAL only until the caution systems are cancelled.

Operating the engine with the Cooling Water Caution System activated can result in severe engine damage. If the Cooling Water Caution System activates, stop the engine as soon as possible, wind and water conditions permitting, and inspect the engine according to the above instructions. Consult your authorized Suzuki marine dealer if you cannot correct the problem.

If the engine is operated beyond the maximum trim position, the water intake holes may be above the water line. In this situation, the cooling water caution system may activate.