After Season Maintenance
1. Pull out the plug in a drainage hole and empty the water-receiving plate, or drain out the water by
leaning the unit. Then enter into the fan mode, and press the button for 5 seconds until it sets to the
low fan speed. Keep this mode on for half a day until its inside becomes dry.
2. Turn off the unit and pull out the plug.
3. Clean its filter screen and reinstall back.
4. Tie the wire and bind it together, then put it into the accessories storage space.
5. Remove the exhaust pipe and accessories and keep them safely.
6. Put the unit into a plastic bag, and then keep it in a cool and dry place.
7. Take out the batteries of remote control and safely keep them.
* All accessories can be placed in the accessories storage on the back of the unit.
Using the unit after a long time
1. Check whether the water plug and filter screen are installed.
2. Check whether the power cord is intact. If it has any signs of breakage, do not use the A/C
3. Reinstall the remote control batteries.
4. Reinstall other parts following the installation instructions.
Error detection
Error-detecting code
Multi-functional defection
E1
Coil temperature sensor failure
E2
Indoor temperature sensor failure
E4
Anti-freeze protection. When the coil temperature is below 0ºC, the
whole machine will stop. When the coil temperatures raises to 8ºC or
more, the protection will disconnect and the unit will restore to its
original working state.
Troubleshooting
Do not attempt to disassemble, repair or alter the equipment yourself. This will void the warranty.
The following table lists the common failures and maintenance methods of the series of portable air
conditioners. When the machine runs abnormally, the following table can be a simple diagnose and
repair prescription. If the problem persists, contact Sytech Technical service centre.
Summary of Contents for SY-AC900
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