Takeuchi TB295W, Operator'S Manual, Page: 108 / 305

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CONTROLS
ACCESSORIES
SELF-DIAGNOSTIC FUNCTION
This function allows you to perform fault
diagnosis of sensors and devices used in the
air conditioner.
1. Press the OFF switch (1). The preset
temperature and fan speed disappear
from the LCD display (7) to indicate that
the operation has ended.
2. Press and hold the “ ” and “ ”
buttons of the TEMP switch (3) together
for at least three seconds to display the
error codes and descriptions on the LCD
display (7).
<Error codes and descriptions>
Error code Description
E_ No faults
E11
A break in the circulation
sensor cable
E12
A short circuit in the circulation
sensor
E13
A break in the ventilation
sensor cable*1
E15
A break in the water
temperature sensor cable*1
E21
A break in the air outlet sensor
cable
E22
A short circuit in the outlet
sensor
E43 Air outlet damper error
E44 Air mix damper error
E51
Coolant high/low pressure
error
In case of multiple errors, press either the
“ ” or “ ” button of the TEMP switch
(3) to view the codes in turn.
To end the fault diagnostics and return to the
normal display, press the OFF switch (1)
again.
3. To delete the fault history, press and hold
both the Circulation and Ventilation
switches (6) together for at least three
seconds.
If a fault is detected in the self-diagnosis, ask
your sales or service dealer for inspection
and repair.
CHANGING THE TEMPERATURE UNIT
(°C, °F)
The temperature unit can be changed from
Celsius °C to Fahrenheit °F, and vice versa.
While the fan is operating, press and hold the
“ ” and “ ” buttons of the temperature
switch (3) for five seconds or more to toggle
the unit between °C and °F. (No actual
display of unit on the LCD)
LCD
Celsius (°C) 18.0 to 32.0
Fahrenheit (°F) 64 to 90
*1: The E13 and E15 codes appear if the
sensor is not equipped. This is not an
actual error.