4. Service procedures
(7)Service Functions of Optional Wired Remote Controller
From the remote controller you can control both the operation and settings of the unit as well as perform several useful service checks. This section explains how to use the remote controller on the following items from (A) to (I).
(A)Use the test run procedure.
(B)Check the sensor temperature readings.
(C)Accessing the service problem history.
(D)Check the remote controller itself for correct operation.
(E)Excute the auto. address operation.
(F)Confirm and change the indoor unit address.
(G)Change the shift temperature in heating mode
(H)Set the indoor unit address.
( I ) Change the period of the filter timer
(A)Use the test run procedure
aAfter holding down the remote controller 
button for 4 seconds or more, press the
button.
•While the test is running, “TEST” shows on the LCD display.
•In “TEST” mode, the temperature cannot be adjusted. Do not use this mode except during test run operation.
bUse “TEST” mode in either heating or cooling operation mode.
NOTE
The outdoor unit will not start running for approximately 3 minutes after the power is turned on or the unit is turned off.
c When the unit is not operating normally, a code will be displayed on the remote controller LCD. Refer to the Table of
dAfter completing the test run operation,
press the | button again and check to | a |
see that “TEST” is no longer displayed on | ||
the remote controller LCD. |
| |
(The remote controller is equipped with a |
| |
timer that terminates test run operation |
| |
after 60 minutes in order to prevent con- |
| |
tinuous test run operation.) |
| |
| a, d | 2076_M_I |
|
| Fig. |
4 |
SM830082
IV - 21
