14. Servicing Mode
14.1 Auto OFF/ON Button
Auto OFF/ON | Auto OFF/ON | ||
Button Pressed | Button Pressed | ||
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| 5 sec |
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| Auto Operation | Test Run Operation | Stop |
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| (Forced Cooling Operation) |
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Auto OFF/ON |
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Button Pressed |
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5 sec |
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Various Setting Mode |
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| Stop | |
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1AUTO OPERATION MODE
The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction.
2TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
The Test Run Operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5 seconds. A “beep” sound will be heard at the fifth seconds, in order to identify the starting of this operation.
3VARIOUS SETTING MODE
The Various Setting Mode will be activated if (within 20 seconds of Test Run Operation) the Auto OFF/ON button is pressed for more than 5 seconds. 2 “beep” sounds will be heard to identify the starting of this operation.
Under Various Setting Mode, user could perform the following operation: i. Press Auto OFF/ON button to toggle remote control receiving sound.
-Short “beep”: Turn ON remote control receiving sound.
-Long “beep”: Turn OFF remote control receiving sound.
After Auto OFF/ON button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON Mode is restarted.
ii. Remote Control Number Switch. |
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- There are 4 types of remote control transmission code could be selected and stored in EEPROM of | ||||
indoor unit. The indoor unit will only operate when received signal with same transmission code from | ||||
remote control. This could prevent signal interference when there are 2 or more indoor units installed | ||||
nearby together. |
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- To change remote control transmission code, short or open jumpers at the remote control printed circuit | ||||
board. |
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| Remote Control Printed Circuit Board | ||
J A | J - A | Jumper A | Jumper B | Remote Control No. |
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| Short | Open | A (Default) |
J_B | J - B | Open | Open | B |
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| Short | Short | C |
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| Open | Short | D |
- During Various Setting Mode, press any button at remote control to transmit and store the desired | ||||
transmission code to the EEPROM. |
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- After signal is received, the Various Setting Mode is cancelled and return to normal operation. | ||||
- If there is no code is transmitted of Auto OFF/ON button is not pressed within 20 seconds, the | ||||
Various Setting Mode will be cancelled. |
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