Status
This is a critical alarm, the unit will not operate in any mode.
Description
This code is displayed anytime the UODC (Universal outdoor control) is missing specific compressor model data.
Expected Operation
No operation.
Cause
Thermostat Firmware does not have functionality to drive equipment with its older firmware.
Solution
1. This fault is likely due to missing or corrupted model-specific information. Technician should use the Contractor App to restore model data.