Daikin ComfortNet DX18TC Service Instructions Manual page 45

SERVICING
The Copeland Comfort Alert
into the unitary (UC) control. The UC control and integraged
Comfort Alert™ diagnostics provide around-the-clock moni-
toring for common electrical problems, compressor defects
and broad system faults. If a problem is detected, LED
indicators flash the proper alert codes to help you quickly
pinpoint the problem.
TM diagnostics are fully integrated
The diagnostic tables on following pages provide detailed
information regarding the system symptons, indicators (LED
and thermostat), potential problem(s), and corrective ac-
tions. The diagnostic information applies to systems wired
as 24VAC traditional (legacy) systems and systems wired as
communicating systems with the CTK0* communicating
thermostat.
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