Crown RR 5700 Warning Lights and Symbols (Meaning and Fixes)

The Crown RR 5700 is a robust reach truck designed for high-density storage and demanding warehouse operations. Its instrument cluster provides concise visual alerts to help operators monitor vehicle status and ensure safe, efficient performance.

How to read the colors: Red lights on the RR 5700 indicate immediate hazards or critical faults and require the operator to stop. Amber lights signal caution and suggest that attention or service is needed soon, while green or blue lights generally indicate normal operation or active features.

Crown RR 5700 Warning Light Symbols

SymbolNameColorWhat it meansWhat to do
Master Warning (Stop)REDA critical system fault has been detected on the RR 5700, such as a major hydraulic or electrical failure.Safely stop the truck and contact maintenance immediately.
Master CautionAMBERThe truck has identified a non-critical issue that may affect operation, such as a sensor error or minor system fault.Proceed with caution and report the issue to maintenance at the next opportunity.
Battery / ChargingAMBERThe battery charge level is low or the RR 5700 is not charging as expected.Return the truck to the charging station as soon as possible.
Hydraulic SystemAMBERA hydraulic system problem is affecting lift or reach functions on the RR 5700.Stop lifting loads and request maintenance to inspect the hydraulic system.
Battery Discharge (BDI)AMBERThe battery discharge indicator shows that the truck's battery is approaching critical depletion.Cease operation and recharge the battery to avoid an automatic shutdown.
Overload / CapacityREDThe load being lifted exceeds the RR 5700's rated capacity or the mast is overloaded.Lower the load immediately and reduce weight to within safe limits.
Mast / Lift LimitAMBERThe mast has reached its maximum safe lift height or a lift limit sensor has been triggered.Do not attempt to lift higher; lower the mast if needed.
Service / Hour MeterAMBERScheduled maintenance is due based on operating hours tracked by the RR 5700.Arrange for routine service at the next available opportunity.
Work LightsBLUEThe RR 5700'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, alerting others to the truck's operation.Ensure the beacon remains functional during use.

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

Most Important Warning Lights

Master Warning (Stop)

Common causes

  • Major electrical failure
  • Critical hydraulic leak
  • System safety interlock triggered

What to do

Immediately stop using the RR 5700 and have a qualified technician diagnose and repair the underlying fault before resuming operation.

Overload / Capacity

Common causes

  • Lifting load above rated capacity
  • Incorrect load positioning
  • Mast sensor malfunction

What to do

Reduce the load to within the truck's specified limits and verify the load is properly centered; if the warning persists, have the mast sensors checked.

Battery Discharge (BDI)

Common causes

  • Extended operation without recharge
  • Battery nearing end-of-life
  • Charger not properly connected

What to do

Recharge the battery fully before further use; if battery drains quickly, have it tested or replaced by maintenance.

Hydraulic System

Common causes

  • Low hydraulic fluid level
  • Hydraulic pump failure
  • Leaking hoses or fittings

What to do

Inspect fluid levels and look for leaks; if the issue is not resolved, have maintenance service the hydraulic system.

Frequently Asked Questions

What should I do if the Master Warning (Stop) light comes on while operating the RR 5700?

Stop the truck immediately, secure the area, and report the issue to your supervisor or maintenance team.

How do I know when the RR 5700 battery needs recharging?

The battery or BDI light will illuminate when charge is low; always recharge before the indicator reaches the critical zone to avoid shutdown.

Is it safe to continue operating with the Master Caution light on?

You may continue with caution, but report the issue to maintenance as soon as possible to prevent further problems.

What does the Overload/Capacity light mean on the RR 5700?

It means the load exceeds the safe lifting capacity; lower the load immediately to protect the truck and operator.

Why would the hydraulic warning light activate on my RR 5700?

This usually indicates a hydraulic system issue, such as low fluid or a malfunction; have the system inspected promptly.