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The water is too hot – M029
Heater-Related
The water ow is low – M016
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The water ow has failed* – M017
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The heater may be dry* – M028
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The heater is dry* – M027
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The heater is too hot* – M030
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Flow-Related Checks
Sensor-Related
Sensors are out of sync – M015
Sensors are out of sync -- Call for service* – M026
Sensor A Fault, Senor B Fault – Sensor A: M031, Sensor B: M032
Miscellaneous Messages
Communicaons error
System-Related
Program memory failure* – M022
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