Sanyo XMHS0972, XMHS1272 service manual How to Test Run the Air Conditioner, Fig. Fig

4. How to Test Run the Air Conditioner

After turning on the power of the air conditioner, use the remote controller and follow the steps below to conduct the test run.

(1) Set the remote controller in Test Run mode. (Fig. 33)

a)Press and hold the HIGH POWER button and the 1HR. TIMER button.

b)Then press and hold the ACL (Reset) button with a pointed object such as the tip of a pen. After 5 seconds, release the ACL button first.

c)Then release the HIGH POWER and 1HR. TIMER buttons.

d) appears and “oP-1” blinking in the remote con- troller clock display area. (Fig. 34)

(2)Start Cooling mode test run by pressing the ON/OFF operation button of the remote controller. (Fig. 33)

•This starts the fan producing uncooled forced air with the 3 indicator lamps (OPERATION lamp, TIMER lamp, and HIGH POWER lamp) on the main unit blinking. (Fig. 35)

•After 3 minutes, the system shifts into cooling operation, and cool air will start to be felt. Cooling mode test run is unaffected by the room tempera- ture.

(3)Press the ON/OFF operation button of the remote controller again to stop the test run. (Fig. 33)

(4)Finally press the ACL (Reset) button of the remote controller to release it from Test Run mode to return to normal mode. (Fig. 33)

•“ ” and “oP-1” will disappear from the remote controller clock display area.

NOTE

Troubleshooting:

In the event that the green OPERATION lamp is blinking upon powering up the system, an error condition exists. In this case, refer to the self-diagnostics procedure which can be seen by opening the air-intake grille.

IMPORTANT

HIGH POWER button

ON/OFF operation button

1HR.

TIMER button

ACL (Reset) button

Fig. 33

Fig. 34

After the test run is completed, be sure to press the ACL (Reset) button to return to normal mode. The air condi- tioner will not operate correctly if this is not done.

OPERATION button

OPERATION lamp

TIMER lamp

HIGH POWER lamp

REMOTE CONTROL receiver

Fig. 35

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