The Doosan/Develon DX50-5K is a compact excavator designed for versatility and operator comfort. Its instrument cluster provides critical machine status at a glance, helping you maintain productivity and safety on the job site.
Doosan/Develon DX50-5K Warning Light Symbols
| Symbol | Name | Color | What it means | What to do |
|---|---|---|---|---|
| Master Warning (Stop) | RED | A critical fault has been detected that requires stopping the DX50-5K immediately; the engine will shut down shortly. | Stop the engine and contact your dealer; do not restart until the issue is resolved. | |
| Master Caution | AMBER | A less urgent system alert is active on your DX50-5K; continued operation may be possible but check the display for details. | Check the informational display for the specific caution and address it at the next opportunity. | |
| Check Engine (MIL) | AMBER | The engine management system has detected a fault, which may reduce performance or emissions compliance on your DX50-5K. | Have the engine diagnostics checked by an authorized dealer as soon as possible. | |
| Engine Oil Pressure | RED | Engine oil pressure is critically low, risking severe engine damage on your DX50-5K. | Stop the engine immediately and check oil level and pressure. | |
| Battery / Charging | RED | The charging system is not functioning properly; the battery may not be receiving charge on your DX50-5K. | Check alternator belt and connections; if light stays on, have the charging system inspected. | |
| Coolant Temperature | RED | Engine coolant temperature exceeds safe limits; continued operation could cause overheating damage on your DX50-5K. | Stop the engine and let it cool; check coolant level and for leaks. | |
| Hydraulic Oil | AMBER | Hydraulic oil temperature or level is outside the normal range on your DX50-5K. | Check hydraulic oil level and temperature; reduce load if necessary. | |
| Low Fuel | AMBER | Fuel level is low; the DX50-5K has enough for limited operation. | Refuel as soon as possible to avoid air in the fuel system. | |
| Glow Plug / Preheat | AMBER | The preheat system is active; wait for the light to go out before starting the DX50-5K engine. | Turn the key to the preheat position and wait for the light to extinguish before cranking. | |
| Swing / Slew Lock | GREEN | The upper structure swing lock is engaged on your DX50-5K, preventing rotation during transport. | Disengage the lock before operating the excavator. |
10 symbols shown. Icons follow ISO 2575 dashboard standards; exact graphics vary by model year.
Most Important Warning Lights
Engine Overheat
Common causes
- Low coolant level
- Blocked radiator fins
- Faulty cooling fan
What to do
Stop the DX50-5K immediately, let the engine cool, then check coolant level and clean the radiator. If the problem persists, contact your Doosan dealer.
Hydraulic System Failure
Common causes
- Low hydraulic oil level
- Contaminated oil
- Pump malfunction
What to do
Check hydraulic oil level and condition; if low, top up with approved oil. If warning persists, do not operate and have the system inspected by a technician.
Electrical Charging Issue
Common causes
- Loose alternator belt
- Faulty alternator
- Bad battery connection
What to do
Inspect belt tension and clean battery terminals. If the red battery light stays on, the alternator may need replacement; consult your dealer.
Engine Oil Pressure Loss
Common causes
- Low oil level
- Oil leak
- Oil pump failure
What to do
Stop the engine immediately. Check oil level and look for leaks. Do not restart until the cause is resolved; tow the machine if needed.
DPF Regeneration Required
Common causes
- Soot accumulation in filter
- Extended idle operation
- Faulty regeneration system
What to do
Perform a parked regeneration according to the operator's manual, or operate the machine at high load until the light goes out. If it remains, contact your dealer.
Frequently Asked Questions
What should I do if the Master Warning light comes on?
Stop the engine immediately and check the informational display for the specific fault. Do not restart until the issue is resolved; contact your Doosan dealer for assistance.
Why is my Check Engine light on?
It could indicate an emissions or sensor issue. While the DX50-5K may continue to operate, performance may be affected. Schedule a diagnostic check soon.
How do I reset the service hour meter?
The service reminder is reset by a dealer using diagnostic software. It is not user-resettable to ensure proper maintenance tracking.
What does the amber hydraulic oil light mean?
It signals either high temperature or low level in the hydraulic system. Reduce load and check the oil level when safe.
Can I operate with the swing lock light on?
No, the swing lock must be disengaged before operating the excavator. The light simply indicates it is engaged for transport.
Why does the glow plug light stay on longer in cold weather?
The preheat time automatically extends in colder temperatures to ensure proper starting. Wait until it turns off before cranking.