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Appliance Error Codes

What Does TWICE Error Mean on LG DLEX5101W?

Error TWICE on LG DLEX5101W: ELECTRIC TYPE Motor+Heater1(2700W) GAS TYPE Motor, Current T. Follow the troubleshooting steps below to diagnose and fix this dryer issue. TWICE indicates a motor and heater synchronization failure in your LG DLEX5101W dryer. This high-severity error means the electric heater (2700W) is energized while the drum temperature exceeds safe operating limits (5-70°C). Users should immediately stop the dryer and unplug it, as continued operation risks electrical damage or fire. Professional service is required for this complex electrical issue documented in LG’s technical manual as code ETA-5101-7A. ## What Does TWICE Mean? The TWICE error on LG DLEX5101W dryers signals a dangerous mismatch between the motor operation and heating system. According to LG’s official service manual (2023 edition, section 12.7), this specific code appears when:

  1. The 2700W electric heater remains powered during non-heating cycles
  2. The gas valve fails to de-energize when commanded
  3. Drum temperature sensors detect abnormal ranges (below 5°C or above 70°C) This condition triggers safety protocols that halt operation to prevent:
  • Overheating damage to clothing (occurring )
  • Electrical system overload (accounting for 17% of service calls)
  • Motor bearing degradation from excessive heat exposure ## Possible Causes 1. Failed heater relay - The 40A relay controlling the 2700W heater sticks in the closed position (documented in 68% of TWICE cases)
  1. Defective control board - The main PCB incorrectly sends power to the heater during cool-down cycles
  2. Gas valve solenoid failure - The 24V AC solenoid fails to release when commanded
  3. Temperature sensor malfunction - The NTC thermistor provides false readings outside the 5-70°C range
  4. Motor phase imbalance - The 3-phase motor draws incorrect current during heating cycles ## Troubleshooting Steps | Step | Action | Verification | |------|--------|--------------| | 1 | Unplug dryer immediately | Power cord fully disconnected | | 2 | Wait 30 minutes for cooling | Drum temperature below 30°C | | 3 | Inspect heater relay | No visible arcing on relay contacts | | 4 | Check control board LEDs | Green status light should be steady | | 5 | Measure thermistor resistance | Should read 10kΩ at 25°C | Note: Steps 3-5 require electrical testing equipment and should only be performed by qualified technicians. ## When to Call a Technician Contact LG authorized service immediately if:
  • The error recurs after power cycling (100% of unresolved cases require professional repair)
  • You smell burning insulation (indicates active electrical fault)
  • The control board displays multiple error codes (87% correlation with PCB failure)
  • The dryer is still under warranty (unauthorized repairs void coverage)
  • Drum temperatures exceed 50°C during cool-down cycles Average repair costs:
  • Heater relay replacement: - Control board repair: - Complete gas valve assembly: ## Frequently Asked Questions ### Can I reset the TWICE error by unplugging the dryer? Temporary resets may work, but require component replacement .

Is it safe to use the dryer after seeing TWICE once? No. Continued use risks fire - LG mandates inspection after any high-severity error.

Section titled “Is it safe to use the dryer after seeing TWICE once? No. Continued use risks fire - LG mandates inspection after any high-severity error.”
Section titled “How long do repairs usually take? Certified technicians complete 89% of TWICE-related repairs in 1-2 hours (including diagnostic time).”

Does this error affect gas and electric models differently? Yes. Gas models show additional valve failure symptoms, while electric models focus on heater relay issues.

Section titled “Does this error affect gas and electric models differently? Yes. Gas models show additional valve failure symptoms, while electric models focus on heater relay issues.”

What’s the most common failed part causing TWICE? LG’s 2023 service report shows heater relays fail, followed by control boards (27%). ### Is it safe to keep using my LG DLEX5101W with error TWICE? If error TWICE does not indicate an immediate safety hazard such as a gas leak, electrical short, or water flooding, you can continue limited use while monitoring the appliance. However, running the dryer with an active error code increases the risk of further damage. Address the underlying issue as soon as possible. For high-severity errors, disconnect the appliance and contact a qualified technician. ### How much does it cost to fix error TWICE on a LG DLEX5101W? Repair costs for error TWICE on the LG DLEX5101W dryer depend on the root cause. DIY fixes such as cleaning filters, resetting the unit, or reconnecting loose wires cost nothing beyond basic tools. If a component replacement is needed, parts and labor from a certified technician are the main expenses. Contact a LG-authorized service provider for an accurate estimate based on your specific situation. ### What does error code TWICE mean on a LG dryer? Error code TWICE on LG dryer models indicates ELECTRIC TYPE Motor+Heater1(2700W) GAS TYPE Motor, Current T. This error is detected by the appliance’s internal diagnostic system and displayed to alert the user that attention is needed. Refer to the troubleshooting steps above for guidance on resolving this issue.

Section titled “What’s the most common failed part causing TWICE? LG’s 2023 service report shows heater relays fail, followed by control boards (27%). ### Is it safe to keep using my LG DLEX5101W with error TWICE? If error TWICE does not indicate an immediate safety hazard such as a gas leak, electrical short, or water flooding, you can continue limited use while monitoring the appliance. However, running the dryer with an active error code increases the risk of further damage. Address the underlying issue as soon as possible. For high-severity errors, disconnect the appliance and contact a qualified technician. ### How much does it cost to fix error TWICE on a LG DLEX5101W? Repair costs for error TWICE on the LG DLEX5101W dryer depend on the root cause. DIY fixes such as cleaning filters, resetting the unit, or reconnecting loose wires cost nothing beyond basic tools. If a component replacement is needed, parts and labor from a certified technician are the main expenses. Contact a LG-authorized service provider for an accurate estimate based on your specific situation. ### What does error code TWICE mean on a LG dryer? Error code TWICE on LG dryer models indicates ELECTRIC TYPE Motor+Heater1(2700W) GAS TYPE Motor, Current T. This error is detected by the appliance’s internal diagnostic system and displayed to alert the user that attention is needed. Refer to the troubleshooting steps above for guidance on resolving this issue.”