Toshiba HFCR407C - 7 Segment Display; Filter Data; Check Data

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Troubleshooting
Remote controller check display
Filter data
Example: A Filter signal is sent from No. 1 and No. 15 units under grouping operation.
7 segment display
Hexadecimal notation
Decimal notation
Unit No.
Check data
Check code detected at first Check code detected at last
Example: Room Temp. sensor of No. 1 is defective.
In No. 15, first the Heat Exchanger sensor has
failed. Next, the indoor/outdoor inter-unit wire (bus
communication line) is defective.
Example: There is no check data.
After 3
seconds