Climate Talk Communication Error - Daikin VRV EMERION RXYQ-AATJA Service Manual

SiUS342303E

3.23 Climate Talk Communication Error

Applicable
CXTQ-TA
Models
C1-08
Error Code
Method of Error Monitors the communication with the gas furnace connected to the Climate Talk Communication
Detection terminal.
Error Reset The error decision is made when the communication with the gas furnace is lost after once the
Conditions initial setting for communication with the gas furnace completes.
Supposed  Disconnection of the communication wire between the CXTQ-TA and the gas furnace
Causes  Power supply to the gas furnace is cut.
Troubleshooting
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
The
power of the gas NO
furnace is turned ON.
YES
1 and 2
terminals of the gas
NO
furnace and the CXTQ-TA are
connected each
other.
YES
The
communication
YES
wire to the gas furnace
picks up noise.
NO
Troubleshooting by Error Code
Turn ON the power of the
gas furnace.
Ensure correct wiring of the
communication wire
between terminals.
Keep the communication
wire away from the noise
source.
Replace the CXTQ-TA PCB
or the gas furnace PCB.
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