The Bobcat S185 skid steer loader features a comprehensive set of warning and indicator lights on its instrument cluster to keep you informed of machine health and operational status. These lights are crucial for safe and efficient operation, whether you're digging, lifting, or grading. Understanding each symbol helps prevent damage and ensures you respond correctly to alerts.
Bobcat S185 Warning Light Symbols
| Symbol | Name | Color | What it means | What to do |
|---|---|---|---|---|
| Master Warning (Stop) | RED | A critical engine or hydraulic system failure detected on your S185; stop the machine immediately to avoid severe damage. | Shut down engine and consult the fault code display or operator manual. | |
| Master Caution | AMBER | A non-critical system alert (e.g., low fluid or high temperature) requires attention soon on your S185. | Check the secondary warning light and relevant gauges; service as needed. | |
| Check Engine (MIL) | AMBER | The engine control module has detected an emission or performance issue on your S185's Kubota diesel. | Have the engine diagnosed and repaired by a Bobcat dealer. | |
| Engine Oil Pressure | RED | Engine oil pressure is too low in your S185; continued operation can cause catastrophic engine failure. | Stop engine immediately and check oil level and pressure system. | |
| Battery / Charging | RED | The alternator is not charging the battery or voltage is low on your S185. | Check belt tension and battery connections; replace alternator if needed. | |
| Coolant Temperature | RED | Engine coolant temperature exceeds safe limit on your S185; overheating can warp the head. | Stop engine, let cool, check coolant level and radiator airflow. | |
| Hydraulic Oil | RED | Hydraulic oil temperature is too high or level low on your S185, affecting lift/tilt performance. | Stop machine, check hydraulic oil level and cooler for debris. | |
| Glow Plug / Preheat | AMBER | Glow plugs are activated to help start the cold diesel engine on your S185. | Wait for the light to turn off before cranking the engine. | |
| Seat Belt | RED | The operator seat belt is not fastened on your S185; operation is prohibited for safety. | Fasten your seat belt before operating the machine. | |
| Parking Brake | RED | Parking brake is engaged on your S185; machine will not move. | Release parking brake before driving. | |
| Low Fuel | AMBER | Fuel level in the S185 tank is low; refuel soon to avoid running out. | Add diesel fuel to the tank. | |
| Air Filter | AMBER | Engine air filter is restricted on your S185, reducing power and fuel efficiency. | Clean or replace the air filter element. | |
| Fuel Filter / Water Separator | AMBER | Water in the fuel system or fuel filter needs replacement on your S185. | Drain water separator or replace fuel filter. | |
| Work Lights | GREEN | Front or rear work lights are turned on for your S185. | No action needed; indicator shows active lighting. | |
| Beacon / Rotating Light | AMBER | The rotating beacon on your S185 is active for visibility safety. | No action; beacon is functioning as intended. | |
| Service / Hour Meter | AMBER | Service interval is approaching or due on your S185 based on engine hours. | Perform scheduled maintenance per Bobcat service manual. |
16 symbols shown. Icons follow ISO 2575 dashboard standards; exact graphics vary by model year.
Most Important Warning Lights
Engine Oil Pressure Warning
Common causes
- Low oil level
- Oil pump failure
- Clogged oil filter or passages
What to do
On your S185, stop engine immediately, check oil dipstick, and inspect for leaks. If oil level is fine, have the pump and pressure system tested by a Bobcat technician.
Overheating Coolant
Common causes
- Low coolant level
- Radiator blocked with debris
- Faulty thermostat or water pump
What to do
For the S185, let engine cool, check coolant reservoir and add if low. Clean radiator fins with compressed air. If persists, inspect thermostat and water pump.
Hydraulic System Overheat
Common causes
- Low hydraulic oil level
- Clogged hydraulic cooler
- Excessive load or continuous high-pressure use
What to do
On a Bobcat S185, reduce load, check hydraulic oil level and add SUTO hydraulic fluid. Clean the cooler core and ensure fan belt is tight. Allow system to cool.
No Charge / Battery Light
Common causes
- Loose or corroded battery cables
- Failed alternator
- Belt slippage or breakage
What to do
Check battery terminals for corrosion on your S185, tighten connections. Inspect alternator belt tension and condition; replace if worn. If still no charge, replace alternator.
Engine Check Light (MIL)
Common causes
- Faulty sensor (e.g., O2, EGR)
- Fuel system issue
- Emission control malfunction
What to do
On the S185, the amber engine light means a fault is logged. Contact a Bobcat dealer to read diagnostic codes and perform necessary repairs; avoid continued operation if engine runs rough.
Frequently Asked Questions
Why does my Bobcat S185 show a red oil pressure light after startup?
The red oil pressure light should turn off within a few seconds after engine start. If it stays on, it indicates low oil pressure – stop engine immediately and check oil level. If level is OK, there may be a pump or sensor issue.
What does the amber 'check engine' light mean on my S185?
It means the engine ECU has detected a problem with emissions or performance. It is safe to continue operation with reduced power, but you should have the codes read by a Bobcat dealer soon to avoid further issues.
How do I reset the service hour meter light on the S185?
The service hour light cannot be reset by the operator; it clears after the scheduled maintenance is performed and reset by a technician using the Bobcat diagnostic tool.
Is it normal for the glow plug light to stay on for a long time in cold weather?
Yes, on the S185 the glow plug light may remain on for up to 10 seconds in very cold conditions. Do not crank the engine until the light goes out.
What should I do if the hydraulic oil temperature warning comes on while using the S185?
Reduce engine speed and avoid heavy loads. Check the hydraulic oil level and ensure the cooler is clean. If the light persists, shut down and let the system cool before investigating further.
Why does my seat belt light flash even when I'm buckled in on the S185?
The seat belt sensor may be faulty or the buckle connection is poor. Check that the belt is fully latched. If the light remains, the buckle or wiring may need replacement.