Daikin VRV EMERION REYQ-AATJA, Service Manual

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SiUS372201EB Troubleshooting by Error Code
Part 6 Service Diagnosis 352
3.23 Climate Talk Communication Error
Applicable
Models
CXTQ-TA
Error Code
C1-08
Method of Error
Detection
Monitors the communication with the gas furnace connected to the Climate Talk Communication
terminal.
Error Reset
Conditions
The error decision is made when the communication with the gas furnace is lost after once the
initial setting for communication with the gas furnace completes.
Supposed
Causes

Disconnection of the communication wire between the CXTQ-TA and the gas furnace

Power supply to the gas furnace is cut.
Troubleshooting
N O
Caution
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.
1 and 2
terminals of the gas
f u rnace and the CXTQ-TA are
connected each
other.
N O
YES
YES
YES
N O
The
comm u nication
w ire to the gas f u rnace
picks u p noise.
Replace the CXTQ-TA PCB
or the gas f
u rnace PCB.
Ens u re correct w iring of the
comm u nication w ire
b et w een terminals.
T u rn O N the po w er of the
gas f u rnace.
Keep the comm u nication
w ire a w ay from the noise
so u rce.
The
po w er of the gas
f u rnace is t u rned O N .