Incorrect Electric Heater Capacity Setting - Daikin VRV Aurora RXLQ-TATJU Series Service Manual

Troubleshooting by Error Code

3.73 Incorrect Electric Heater Capacity Setting

Applicable
FXTQ-TA, FXTQ-TB
Models
UA-17
Error Code
Outline
After attaching optional electric heater, if the electric heater capacity setting (11 (21)-5) is made
mistakenly for heaters not featured in the lineup, heating via unintended levels of airflow will be
prevented.
However, the electric heater will be operable for convenience.
Error Decision
Checks when the capacity setting (11 (21)-5) of the electric heater has been set to a non-applicable
Conditions value.
Operation After
 The error code UA-17 is displayed on the remote controller.
Error Codes  Indoor units can operate continuously.
Decided  Incorrect setting is kept.
 Even if the ON condition for electric heater 2 is established, only electric heater 1 will be set to
 The airflow of the fan during operation of the electric heater will be set to the largest value within
 All other operations are the same as during normal operation.
357
ON.
(Electric heater 1 set to ON, electric heater 2 set to OFF)
(In order to deliver in terms of user-friendliness and safety, the electric heater can operate at the
lowest possible power levels.)
the CFM dictated by the capacity of each of the electric heaters (electric heater 1, electric heater
2 both set to ON).
SiUS341802EC
Part 6 Service Diagnosis