Controller EPROM Checksum Failure

Software checksum error, indicating data corruption.

Possible causes

Improperly loaded software
Physical failure of Flash/EPROM memory

Recommended actions

Update or reinstall unit software
Clear memory and reconfigure
Replace controller

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00No Alarms Exist 02Check Evaporator Coil Sensor (Zone)03Check (Control) Return Air Sensor (Zone)04Check (Control) Discharge Air Sensor (Zone)05Check Ambient Temp Sensor 06Check Coolant Temp Sensor

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