Daikin REYQ-AATJA, Service Manual, Page: 430 / 495

Troubleshooting by Error Code SiUS372201EA
423 Part 6 Service Diagnosis
3.80 Climate Talk Communication System Combination Error
(After Initial Setting for Communication Completes)
Applicable
Models
CXTQ-TA
Error Code
UH-06
Method of Error
Detection
Detects the type of the devices constituted in Climate Talk Communication.
Error Decision
Conditions
The error decision is made when any of the following conditions is established once the initial
setting for communication with the gas furnace completes and after elapsing 4 minutes after the
power is turned ON.
 Two or more gas furnaces are detected.
 Any unit other than the gas furnace is detected.
Supposed
Causes
 Connection of wrong devices
 Two or more gas furnaces are connected to one CXTQ-TA.
Troubleshooting
YES
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.
N O
Replace the CXTQ-TA PCB
or the gas f
u rnace PCB.
Connect the gas f u rnace of
proper com b ination. Do not
connect any other de v ices.
Any
de v ice other
than the gas
f u rnace of proper
com b ination is connected
to 1 and 2
terminals of
X8A.