The ASV RT-65 compact track loader uses a clear instrument cluster with color-coded indicator lights to alert the operator to machine status and potential issues. Understanding these lights is crucial for safe, efficient operation and preventing costly downtime.
ASV RT-65 Warning Light Symbols
| Symbol | Name | Color | What it means | What to do |
|---|---|---|---|---|
| Master Warning (Stop) | RED | This red light flashes when a severe fault (like low oil pressure or overheating) is detected on your RT-65, urging you to stop the engine at once. | Immediately shut off the engine and consult the fault codes on the display. | |
| Check Engine (MIL) | AMBER | This amber engine symbol indicates a problem with the RT-65's emissions or engine management system that needs diagnostic attention. | Have the fault codes read by a dealer or technician as soon as possible. | |
| Engine Oil Pressure | RED | When lit red, the RT-65's engine oil pressure has dropped to a dangerous level, risking severe engine damage if not addressed immediately. | Stop the engine and check oil level; if full, call for service. | |
| Battery / Charging | RED | This red light signals that the RT-65's charging system is not working correctly, meaning the battery is discharging while operating. | Check alternator belt and connections; run engine only if necessary to move to safe area. | |
| Coolant Temperature | RED | Illuminates red when the RT-65's coolant exceeds safe operating temperature, indicating potential overheating from load or debris. | Reduce load and park; let engine idle to cool, then check coolant level and radiator fins. | |
| Transmission Temp | AMBER | This amber light warns that the hydrostatic transmission fluid in your RT-65 is getting hot; continued operation may cause damage. | Reduce load and speed; if light persists, shut down and inspect hydraulic oil level and cooler. | |
| Parking Brake | RED | Illuminates red when the parking brake is engaged on the RT-65; if it stays on while driving, the brake may be stuck or sensor faulty. | Release parking brake fully; if light remains, inspect brake linkage and switch. | |
| Seat Belt | RED | This red reminder lights up if the RT-65 is operated without the operator's seat belt fastened, prioritizing safety. | Fasten seat belt before continuing operation. | |
| Glow Plug / Preheat | AMBER | Lights during cold starts to indicate the glow plugs are heating the RT-65's combustion chambers; wait until it goes out before cranking. | Wait for the light to extinguish, then start the engine. | |
| Low Fuel | AMBER | This amber symbol comes on when the RT-65's fuel level is low, reminding you to refuel soon to avoid air in the system. | Refuel the machine as soon as possible. | |
| High Beam | BLUE | A blue headlight symbol that indicates the high beam lights are on for better visibility in dark conditions. | No action needed; dim when approaching other operators. | |
| Hydraulic Oil | AMBER | Warns that the hydraulic oil temperature in the RT-65 is high or the level is low; prolonged operation can damage pumps. | Check hydraulic oil level and clean cooler; reduce load if light stays on. | |
| Air Filter | AMBER | Indicates that the engine air filter on your RT-65 is restricted and needs cleaning or replacement to maintain power. | Inspect and clean or replace the air filter element. | |
| Service / Hour Meter | AMBER | This light reminds that scheduled maintenance is due based on the RT-65's engine hour meter, such as oil change or filter service. | Perform the next maintenance interval per the operator's manual. |
14 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
- Clogged radiator or debris buildup
- Faulty thermostat or water pump
What to do
Stop the RT-65 immediately and let the engine cool. Check coolant level and radiator fins; clean debris with compressed air or water. If problem persists, inspect thermostat and water pump.
Hydraulic System Failure
Common causes
- Low hydraulic oil level
- Contaminated or old hydraulic fluid
- Failed pump or relief valve
What to do
Park the RT-65 on level ground, retract all cylinders, and check hydraulic oil level with the engine off. Top up with correct spec oil; if light remains, have a technician test system pressure.
Electrical/Charging Issue
Common causes
- Loose or corroded battery terminals
- Failed alternator or voltage regulator
- Damaged wiring harness
What to do
Tighten and clean battery connections. Start the RT-65 and measure voltage across battery terminals; should be above 13 volts. If low, check alternator belt tension and connections, then replace alternator if needed.
Transmission Overheat
Common causes
- Overloading the machine
- Low transmission/hydrostatic fluid
- Clogged oil cooler
What to do
Reduce bucket load and allow the RT-65 to idle in neutral to cool the transmission. Check fluid level and condition; clean oil cooler fins with compressed air. If light remains, consult service manual.
Engine Oil Pressure Loss
Common causes
- Low engine oil level
- Oil pump failure
- Clogged oil filter or pickup screen
What to do
Shut down the RT-65 immediately! Check dipstick and add oil if low. If oil level is fine, do not restart; tow to a shop for oil pressure test and pump inspection.
Frequently Asked Questions
Why does my RT-65's red master warning light come on when I start the engine?
The master warning light typically illuminates briefly as a bulb check during startup; if it stays on after the engine runs, a critical fault (like low oil pressure or overtemp) is detected. Immediately shut off and consult the fault code.
How do I reset the amber service light on the RT-65?
The service light resets automatically after completing the required maintenance and clearing the hour meter interval. If it stays on, have a dealer use diagnostic software to reset the timer.
Can I operate the RT-65 with the amber hydraulic oil light on?
No, continued operation risks severe damage to the hydraulic system. Stop the machine, check the oil level and cooler cleanliness, and address the cause before resuming work.
What does the glow plug light mean in warm weather?
The glow plug preheat system activates based on coolant temperature; even in warm weather, a brief illumination is normal. If it stays on for more than a few seconds, the glow plug controller may need inspection.
Why is my RT-65's battery light on even with a new battery?
The battery light warns of a charging system fault, not battery age. Check the alternator belt tension, wiring connections, and alternator output. A new battery won't fix a failing alternator.
How do I know if the air filter light is accurate?
The air filter restriction switch monitors vacuum; if the light comes on, inspect the filter. You can verify by checking the restriction gauge (if equipped) or replacing the filter temporarily to see if the light goes out.