01/07/2024

Smart Plus Controller Error Codes and Resetting

How to fix a 10e fault code

For the Navien boiler error code 10e, you’re probably looking at an issue related to the air pressure. When the air pressure is too high, then the system shuts down to prevent any further damage being done to your boiler. There are several reasons why this might happen, including:

a damaged air pressure hose

clogged condensed water hose

faulty air pressure sensor

So, this is one of those issues that does need an engineer to come out. They’ll be able to work out precisely what might be causing the problem and suggest ways of getting it fixed.How to fix an 02e error code

The most common cause of this problem is low pressure in our heating system. Have a check of your Navien NCB combi boiler manual to determine what pressure your boiler should be to see if this might be causing the issue.

All Navien Boiler Error Codes

3 Ignition failure

004 False flame error

012 Flame loss

016 Overheated heat exchanger

030 Abnormal exhaust temperature

46 Overheated heat exchanger

047 Error on exhaust thermostat

060 An issue with the limit switch

109 Faulty Fan

110 Blockage in the exhaust

127 Faulty air pressure switch

205 The heating supply thermistor has short-circuited

218 The heating return thermistor has short-circuited

302 Low water pressure

352 High water pressure

353 Faulty water pressure sensor

407 Faulty hot water outlet thermistor

421 Faulty cold water inlet thermistor

480 Faulty hot water tank outlet thermistor

515 Problem with the relay feedback

517 Problem with the dual in-line package switch setting

594 Problem with the EEPROM

615 Problem with the input and memory

740 An Issue with the outdoor temperature sensor

782 An issue with the main panel communication

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