Daikin UAL210A5 - Low Pressure Sensor & Memory Issues

48
26
The LED indicator
of the unit displays
ER42
TH3 temperature sensor failure
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
27
The LED indicator
of the unit displays
ER43
TH3 temperature sensor failure
TH4 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH4 temperature sensor is horted/
open
Test whether the resistance of
TH4 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
28
The LED indicator
of the unit displays
ER44
TH5 temperature sensor failure
TH5 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH5 temperature sensor is shorted/
open
Test whether the resistance of
TH5 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
29
The LED indicator
of the unit displays
ER45
TH6 temperature sensor failure
TH6 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH6 temperature sensor is shorted/
open
Test whether the resistance of
TH6 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
30
The LED indicator
of the unit displays
ER46
TH7 temperature sensor failure
TH7 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH7 temperature sensor is shorted/
open
Test whether the resistance of
TH7 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
31
The LED indicator
of the unit displays
ER47
TH8 temperature sensor failure
TH8 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH8 temperature sensor is shorted/
open
Test whether the resistance of
TH8 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
32
The LED indicator
of the unit displays
ER48
TH9 temperature sensor failure
TH9 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH9 temperature sensor is shorted/
open
Test whether the resistance of
TH9 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module
33
The LED indicator
of the unit displays
ER49
TH10 temperature sensor failure
TH10 temperature sensor is not
properly plugged or has broken off
Check the control module and
replug the temperature sensor
TH10 temperature sensor is shorted/
open
Test whether the resistance of
TH10 sensor meets specication
requirements/replace if not
There is something wrong with the
test circuit of the temperature sensor
in the control module
Replace the control module