Tag: thermistor
All the articles with the tag "thermistor".
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Navien Error Code E021 — Cold Water Inlet Thermistor Fault Fix
Navien error code E021 means the cold water inlet thermistor has an open circuit. Learn how to diagnose and replace the NTC sensor on NPE, NPN, and NCB series units.
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Navien Error Code E022 — Hot Water Outlet Thermistor Fault Fix
Navien E022 error code means the hot water outlet thermistor is shorted or open. Learn how to diagnose the NTC sensor and wiring on Navien NPE, NPN, and NCB models.
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Mitsubishi Mini Split E1 Error Code — Indoor Thermistor Fault Fix
Mitsubishi mini split E1 error code indicates an indoor thermistor fault. Learn how to diagnose a failed room temperature sensor and fix E1 on MSZ and MXZ series units.
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Daikin E1 Error Code Fix — Indoor Sensor Fault
Daikin E1 error code signals an indoor unit PCB or room temperature sensor fault. Here's how to test thermistors, check connections, and know when to replace the board.