The Doosan Forklift GC25P is a reliable LPG-powered forklift designed for medium-duty industrial applications. Its instrument cluster provides essential status and warning indicators to help operators maintain safe and efficient operation. Understanding these symbols is crucial for minimizing downtime and preventing equipment damage.
Doosan Forklift GC25P Warning Light Symbols
| Symbol | Name | Color | What it means | What to do |
|---|---|---|---|---|
| Master Warning (Stop) | RED | A critical fault or unsafe condition has been detected in the GC25P and immediate shutdown is necessary to prevent equipment damage or injury. | Safely park and shut off the forklift; investigate the root cause before restarting. | |
| Master Caution | AMBER | A non-critical fault or system warning has occurred that could affect operation if not addressed. | Inspect the forklift for warnings and schedule maintenance as soon as possible. | |
| Check Engine (MIL) | AMBER | The engine control system has detected a malfunction specific to the GC25P's LPG engine. | Check for error codes and consult the service manual or technician. | |
| Engine Oil Pressure | RED | Engine oil pressure has dropped dangerously low, risking engine damage. | Immediately stop the engine and check oil level and leaks before restarting. | |
| Battery / Charging | RED | The charging system is not maintaining battery voltage, indicating alternator or belt issues. | Inspect the alternator, belt, and battery connections before continuing operation. | |
| Coolant Temperature | RED | Engine coolant temperature is above safe limits for the GC25P, risking engine overheating. | Stop the forklift and allow the engine to cool; check coolant level and radiator. | |
| Brake System | RED | A serious issue has been detected in the hydraulic brake system, possibly affecting braking ability. | Do not operate; inspect fluid levels and brake lines immediately. | |
| Parking Brake | RED | The parking brake is engaged or not fully released on the GC25P. | Release the parking brake before attempting to move. | |
| Low Fuel | AMBER | The LPG fuel level is low and the forklift will soon run out of fuel. | Refill the LPG tank at the next opportunity. | |
| Service / Hour Meter | AMBER | Scheduled maintenance is due based on engine hours tracked for the GC25P. | Arrange for routine service as indicated by the hour meter. | |
| Seat Belt | RED | The operator's seat belt is not fastened, which is a safety requirement. | Secure the seat belt before operating the forklift. | |
| Work Lights | GREEN | The work lights are currently switched on to provide better visibility. | No action needed unless lights are not required. | |
| Beacon / Rotating Light | AMBER | The safety beacon is active to alert others to forklift movement. | Ensure beacon remains on during operation in active areas. | |
| Overload / Capacity | RED | The forklift's load exceeds the safe lifting capacity, risking tip-over. | Lower the load immediately and re-assess the weight before continuing. | |
| Mast / Lift Limit | AMBER | The mast has reached its lift or tilt limit, or a mast-related fault is detected. | Avoid further mast movement and inspect for obstructions or faults. |
15 symbols shown. Icons follow ISO 2575 dashboard standards; exact graphics vary by model year.
Most Important Warning Lights
Engine Oil Pressure
Common causes
- Low engine oil level
- Oil pump failure
- Blocked oil filter
What to do
Check the oil level and top up if low; if the light stays on, inspect for leaks and replace the oil filter. For persistent issues, have a technician inspect the oil pump and lubrication system specific to the GC25P.
Coolant Temperature
Common causes
- Low coolant level
- Radiator blockage
- Faulty thermostat
What to do
Allow the engine to cool, then check coolant level and top up with the correct mixture for the GC25P. Clean the radiator fins and check for leaks; replace thermostat if overheating continues.
Brake System
Common causes
- Low brake fluid
- Hydraulic line leak
- Worn brake pads
What to do
Inspect and refill brake fluid as needed, check for hydraulic leaks along the lines, and replace worn pads. Only operate the GC25P once proper braking is restored.
Overload / Capacity
Common causes
- Load exceeds rated capacity
- Incorrect load positioning
- Faulty load sensor
What to do
Remove excess weight and ensure the load is within the GC25P's specified limits. Check load cell sensors if warnings persist.
Battery / Charging
Common causes
- Loose or corroded battery terminals
- Broken alternator belt
- Faulty alternator
What to do
Tighten and clean battery terminals, inspect the alternator belt for wear or breakage, and replace the alternator if charging issues continue.
Frequently Asked Questions
What should I do if the master warning light appears on my GC25P?
Immediately stop the forklift in a safe area, turn off the engine, and investigate the cause, as this signals a critical fault.
Why does the seat belt light stay on even when I buckle up?
Check if the buckle is fully engaged and inspect the seat switch; if the issue persists, the sensor or wiring may need service.
How often should I check the engine oil on the GC25P?
Inspect the engine oil level daily before starting operation, especially if the forklift is used in heavy-duty cycles.
What does it mean when the overload light turns on?
This indicates that the current load exceeds the forklift's safe lifting capacity—lower the load immediately to prevent accidents.
Is it safe to drive if the check engine light is on but the forklift seems fine?
While the forklift may appear to operate normally, you should have the engine checked promptly to avoid potential damage or performance issues.