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Join date: Feb 12, 2019
Posts (6)
Jul 2, 2025 ∙ 1 min
HOW TO FIX ERROR CODE E003
Error Code E003 EC45 or Error Code 45 Navien error code 003 indicates an ignition failure. 1. Check Gas and Power: Gas Supply: Verify...
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Jun 6, 2025 ∙ 1 min
HOW TO FIX ERROR CODE 45
Error Code 45 EC45 or Error Code 45 An Error Code 45 is specific to NRCP and CB models. It indicates an internal water leak. There is a...
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May 24, 2025 ∙ 1 min
HOW TO FIX ERROR CODE 73
Improper circuit board settings will cause a code 73 error. Changing a jumper connection or dip switch while power is supplied to the...
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danielqualityplumb
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