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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
180
4.16 Gas Furnace Abnormality
Error Code
AA-03
Applicable
Models
CXTQ-TA
Method of Error
Detection
Detects the error signal from the gas furnace when any error occurs on the gas furnace. The indoor
unit displays
AA-03
for any sort of gas furnace abnormality.
Error Decision
Conditions
The error status differs depending on each error code of the gas furnace. Refer to the gas furnace
manual for details.
Supposed
Causes
The cause of the error differs depending on each error code of the gas furnace. Refer to the gas
furnace manual for details.
Troubleshooting
Note:
∗
1. In some cases of gas furnace abnormality regarding gas combustion, once an error occurs,
display indication of
AA-03
is retained even after the gas furnace recovered from the error to
notify the occurrence of the error.
The error indication disappears if you execute gas furnace combustion once or reset the indoor
unit power supply.
NO
YES
Take a measure responding to the
error code of the gas furnace.
Execute gas furnace combustion
operation once or reset the indoor
unit power supply. (
∗
1)
Error code is
displayed on the gas
furnace PCB.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание RXSQ24TAVJU
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