e-402RP4 Mobile II

Honeywell RP4 Mobile II error E-402: Battery Fix Guide

The Honeywell RP4 Mobile II error E-402 signals a failure in the charging circuit or battery detection. This usually occurs when the connection is blocked by debris. We recommend cleaning the pins first.

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Common causes

  • 1Dirty contacts
  • 2Faulty battery
  • 3Power source issue

Solutions

Diagnóstico rápido

The E-402 code appears when the printer cannot identify the battery state. ### Solución paso a paso
  1. Remove the battery pack. 2. Clean the metal contacts. 3. Reinsert and test with the official power supply. ### Prevención y mantenimiento
Use genuine Honeywell chargers. ### Cuándo llamar a un técnico Contact support if the motherboard fails to recognize any battery. ### Ficha técnica del equipo
  • Tech: Thermal mobile printer
  • Consumible: RP4 thermal rolls
  • Drivers: https://www.honeywellaidc.com/support/rp4

Steps to follow

  1. 1

    Clean pins

    Wipe with alcohol.

Frequently asked questions

Battery charging circuit error.