E19
Hager
Cellular Modem / SIM Communication Fault
Charger shows E19; app may indicate ‘SIM error’, ‘4G module fault’, or ‘mobile network error’ on cellular‑enabled models.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Improperly seated SIM card, Expired or locked SIM, Faulty 4G/LTE modem module, Poor mobile signal at installation site
How to Fix / Troubleshooting
Safety first: Cellular components are low‑voltage but inside a mains enclosure. Only qualified personnel should open the charger.
Steps to try:
- Check signal: Verify that mobile coverage is adequate at the charger location using a phone on the same network.
- Reboot the charger: Turn OFF and ON the charger’s breaker to reset the modem.
- Technician SIM check: A technician can open the unit, reseat the SIM card, and verify that the SIM is active and not PIN‑locked.
- Replace modem module: If the modem remains offline with a known‑good SIM and signal, replace the 4G/LTE module with a Hager‑approved part.
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Repair Difficulty
Medium
3/5
Required Part
4G/LTE Modem Module
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