UniCarriers/Nissan CF70 Warning Light Symbols and What They Mean

The UniCarriers/Nissan CF70 forklift features a robust instrument cluster designed to keep operators informed of vital system conditions. Its warning and indicator lights are tailored specifically for heavy-duty material handling, prioritizing both safety and performance in demanding environments.

How to read the colors: Red lights signal immediate hazards that require the operator to stop and address the issue, while amber lights warn of conditions needing attention soon. Green or blue lights indicate normal operation or active functions, such as lighting.

UniCarriers/Nissan CF70 Warning Light Symbols

SymbolNameColorWhat it meansWhat to do
Master Warning (Stop)REDA critical system fault has been detected on the CF70, requiring the forklift to be stopped immediately for inspection.Safely park and shut down the forklift; call maintenance.
Master CautionAMBERA non-critical issue has been identified that may affect CF70 performance if ignored.Check the display panel for details and plan service soon.
Check Engine (MIL)AMBERThe engine management system of the CF70 has detected a malfunction affecting emissions or performance.Schedule a diagnostic scan and service at the next opportunity.
Engine Oil PressureREDEngine oil pressure has dropped below safe levels, risking severe engine damage in the CF70.Stop the engine immediately and check oil level and leaks.
Battery / ChargingREDThe alternator is not charging the battery, risking power loss to the CF70's systems.Turn off unnecessary electrical loads and have charging system checked.
Coolant TemperatureREDEngine coolant temperature has exceeded safe limits, indicating overheating in the CF70.Shut down engine to cool and inspect cooling system.
ATTransmission TempREDThe CF70's transmission fluid temperature is dangerously high, risking transmission failure.Stop operation and allow transmission to cool before proceeding.
Brake SystemREDA fault in the CF70's brake system has been detected, compromising braking performance.Do not operate; inspect brakes and fluid level immediately.
ABSABSAMBERThe anti-lock braking system in the CF70 is not functioning properly, reverting to standard braking.Drive with caution and schedule ABS service.
PParking BrakeREDThe parking brake is engaged or not fully released on the CF70.Release parking brake fully before moving.
Low FuelAMBERFuel level in the CF70 is nearing empty, risking unexpected shutdown.Refuel at the next safe opportunity.
Hydraulic SystemAMBERA problem with the hydraulic system has been detected, which may impact lifting on the CF70.Inspect hydraulic fluid level and check for leaks.
Hydraulic OilAMBERHydraulic oil level or condition is below recommended range for the CF70.Top up or replace hydraulic oil as needed.
Engine Oil TemperatureREDEngine oil temperature is too high in the CF70, risking engine damage.Stop engine and allow to cool; check oil and cooling system.
Air FilterAMBERThe CF70's air filter is clogged, reducing engine efficiency.Inspect and clean or replace the air filter.
Fuel Filter / Water SeparatorAMBERThe fuel filter or water separator on the CF70 needs attention due to contamination or blockage.Service or replace the filter promptly.
Service / Hour MeterAMBERScheduled maintenance interval has been reached based on hours run by the CF70.Arrange for scheduled maintenance soon.
Work LightsGREENThe CF70's work lights are currently switched on for improved visibility.No action needed unless lights are not required.
Beacon / Rotating LightAMBERThe safety beacon is active, signaling the CF70 is operating in the area.No action needed unless beacon is malfunctioning.
Overload / CapacityREDThe CF70 is attempting to lift a load that exceeds its rated capacity.Lower load immediately and reduce to within safe limits.
MINLow Oil LevelAMBEROil level in the CF70's engine is below the minimum recommended amount.Add engine oil to the specified level.
Brake Fluid LevelAMBERBrake fluid level is low in the CF70, risking reduced braking effectiveness.Refill brake fluid reservoir and check for leaks.

22 symbols shown. Icons follow ISO 2575 dashboard standards; exact graphics vary by model year.

Most Important Warning Lights

Engine Oil Pressure

Common causes

  • Severe oil leak or consumption
  • Faulty oil pump
  • Blocked oil filter

What to do

Immediately shut down the CF70 and check oil level, filter, and for visible leaks. Do not restart until the root cause is repaired.

Coolant Temperature

Common causes

  • Coolant loss due to leaks
  • Radiator blockage
  • Failed water pump or thermostat

What to do

Turn off the CF70 and allow engine to cool; inspect coolant level, hoses, and radiator for faults before resuming use.

Overload / Capacity

Common causes

  • Attempting to lift beyond rated capacity
  • Incorrect load positioning
  • Hydraulic malfunction

What to do

Lower the load to a safe weight, verify load positioning, and check hydraulic system for issues before continuing.

Battery / Charging

Common causes

  • Broken alternator belt
  • Faulty alternator
  • Loose or corroded battery terminals

What to do

Inspect belt and electrical connections; replace or repair faulty charging components on the CF70 as needed.

Frequently Asked Questions

What should I do if the Master Warning (Stop) light comes on while operating the CF70?

Immediately stop the forklift in a safe area, shut down the engine, and contact your maintenance team to diagnose the fault.

How often should I check the hydraulic oil level on my CF70?

Check hydraulic oil daily before each shift to ensure optimal lifting performance and prevent system damage.

Why does the Overload / Capacity light activate even with a light load?

This may indicate a problem with the load sensor or improper load placement; have the system checked and reposition the load as needed.

Can I continue operating if the ABS light stays on?

You may continue with caution, but the anti-lock feature is disabled; schedule ABS servicing to restore full braking safety.

What maintenance is required if the Air Filter warning appears?

Inspect the air filter for clogging or dirt and clean or replace it to maintain proper engine airflow and efficiency.