Noblelift ALPHA 50-60 LiLithium 4-Wheel Electric Forklift

Name: Noblelift ALPHA 50-60 Li
Brand: Noblelift

ALPHA Series

tires

Solid Pneumatic

battery

Lithium-Ion

capacity

5000-6000 lb

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Product Overview

Heavy duty lithium 4-wheel electric forklift

Power System Configuration

Electrical specifications for Noblelift ALPHA 50-60 Li

System Voltage

80VDC

Min Capacity

500Ah

Chemistry

Lithium-Ion

High energy density, fast charging

Charger Configuration

🔋External Charger Required

Shop 80V Chargers

Technical Specifications

Specification	Value
tires	Solid Pneumatic
battery	Lithium-Ion
capacity	5000-6000 lb

Available Parts

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Fault Codes & Troubleshooting

Search for error codes displayed on your ALPHA 50-60 Li to find causes and solutions. Click on any code to expand details.

Showing 21 of 21 fault codes

Code	Description	Solution	Guide
1.2	Controller Overcurrent	Check motor connections for shorts. Verify motor parameters. Replace controller if needed.	View Guide
1.3	Current Sensor Fault	Inspect motor wiring for leakage to frame. Replace controller if fault persists.	View Guide
1.4	Precharge Failed	Check battery and charger. Inspect precharge circuit.	View Guide
1.5	Controller Severe Undertemp	Move to warmer environment before operation.	View Guide
1.6	Controller Severe Overtemp	Reduce load, improve ventilation, check controller mounting.	View Guide
1.7	Severe Undervoltage	Check battery parameters and connections. Verify fuse and contactor.	View Guide
1.8	Severe Overvoltage	Check battery settings. Avoid disconnecting during regenerative braking.	View Guide
2.2	Controller Overtemp Cutback	Reduce load, allow cooling, check controller installation.	View Guide
2.3	Undervoltage Cutback	Charge battery. Verify battery settings and connections.	View Guide
2.4	Overvoltage Cutback	Check battery settings. Allow voltage to stabilize.	View Guide
2.8	Motor Temp Hot Cutback	Allow motor to cool. Reduce duty cycle.	View Guide
2.9	Motor Temp Sensor Fault	Check motor temperature sensor wiring.	View Guide
3.1	Coil Driver Open/Short	Check coil connections, clean pins, verify wiring.	View Guide
3.2	EM Brake Open/Short	Inspect brake coil and wiring. Replace if damaged.	View Guide
3.6	Encoder Fault	Check encoder connections. Replace encoder if faulty.	View Guide
3.7	Motor Open	Check motor phase connections and cable integrity.	View Guide
3.8	Main Contactor Welded	Replace main contactor. Check motor connections.	View Guide
3.9	Main Contactor Did Not Close	Clean or replace contactor. Check for blown fuse.	View Guide
4.1	Throttle Wiper High	Recalibrate or replace throttle potentiometer.	View Guide
4.2	Throttle Wiper Low	Recalibrate or replace throttle potentiometer.	View Guide
4.6	EEPROM Failure	Controller reprogramming or replacement required.	View Guide

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