Navien COMFORT MATE EQH-20WUS, Руководство по установке, Страница: 27 / 36

Error Codes and Troubleshooting
27
When an error code continuously appears on the status window, contact a the
distributor or Navien Technical Support(1-877-689-1541) for further assistance.
Error
Number
Error Description Possible Solution
E016 Overheating of water tank Contact the distributor or Navien Technical Support
E017
Abnormal heating error Contact the distributor or Navien Technical Support
E205
Tank temperature sensor error Contact the distributor or Navien Technical Support
E218L
Water temperature (left side)
sensor error
Contact the distributor or Navien Technical Support
E218R
Water temperature (right side)
sensor error
Contact the distributor or Navien Technical Support
E228 Water leakage error
1. Turn off the boiler
2. Check the location of water leakage
in the boiler and the mattress and stop
operating the product.
3. Contact the distributor or Navien Technical
Support
E302 Water level error
1. This is an error caused by insufficient
amount of water.
2. Follow the instruction provided in P15 to
supplement water.
E311 Water level sensor error Contact the distributor or Navien Technical Support