Sakura Air Conditioner Error Codes

 

Sakura Air Conditioner Error Codes

Content:

1. Packaged Wall Through Air Conditioner
2. Hydronic Cassette Air Conditioner
3. Rooftop Package Air Conditioner

1-Packaged Wall Through Air Conditioner (for wall mounted & floor console) Model: SHW- 08R (cooling / heating)

Please check the following items before asking for repairing:

Error Codes	Solution
E2	Failure of the indoor sensor. Change the indoor temperature sensor.
E3	Protection of cooling mode.
E4	Failure of the indoor coil sensor. Change the indoor coil sensor.
E5	Failure of the upper fan motor.
E6	Failure of the system. Check if the refrigerant leaking or missing.
E7	Protection of heating mode.

Error codes are for information only. Advise your local service agent as appropriate.

Troubleshooting

Problem: The unit does not work

1. Cause: Power supply fault: 1. Not plugged in; 2. Faulty plug or socket; 3. Fuse broken
2. Solution: 1. Plug in correctly; 2. Change the plug or socket; 3. Replace fuse

Problem: The unit stops running automatically

1. Cause: 1. Timer is set or room temperature is lower than set temperature. 2. The water tank is full.
2. Solution: 1. Close the timer or reset temp. 2. Drain off the water.

Problem: In cooling mode, no cooling air coming out

1. Cause: 1. Room temperature is lower than set temperature. 2. There is frost on the surface of evaporator.
2. Solution: 1. This is normal. 2. The unit is defrosting and it will run when the defrosting is finished.

Problem: The remote control does not work

1. Cause: 1. Exhausted batteries 2. Batteries incorrectly installed.
2. Solution: 1. Change the batteries. 2. Re-install the batteries correctly

Problem: The unit does not work for 3 minutes when switched on.

1. Cause: Protection of the unit.
2. Solution: Wait for approx.3 minutes and the unit will start.

2-Hydronic Cassette SFP – KM – DLY Series

When faulty slave unit is detected, unit display area shows the faulty unit address, time area shows the error code and backlight change to red color. Should there be multiple units having problems, they will be shown one after another.

Error Codes	Solution
E2	Indoor coil sensor 2 faulty (4 pipe unit)
E3	Return air sensor faulty
E4	Indoor coil sensor 1 faulty
E5	Indoor coil low temperature protection
E6	Indoor coil over heat protection
E7	Water pump faulty
E8	Local communication error

Sakura Hydronic Cassette AC Remote Control

Led lights of lamp board on unit panel & error display

For all units Red LED light

Heat Mode	Red LED On
For master unit indicating defect status of all slave unit
Unit 2 failure	Blink 2 times, stop 3 sec
Unit 3 failure	Blink 3 times, stop 3 sec
Unit 4 failure	Blink 4 times, stop 3 sec
Unit 5 failure	Blink 5 times, stop 3 sec
Unit 6 failure	Blink 6 times, stop 3 sec
Unit 7 failure	Blink 7 times, stop 3 sec
Unit 8 failure	Blink 8 times, stop 3 sec
Unit 9 failure	Blink 9 times, stop 3 sec
Unit 10 failure	Blink 10 times, stop 3 sec

For all units Green LED light

Cool Mode	Green LED light On
Indoor coil sensor 2 failure	Blink 2 times, stop 3 sec
Return air sensor failure	Blink 3 times, stop 3 sec
Indoor coil sensor 1 failure	Blink 4 times, stop 3 sec
Indoor coil low temperature protection	Blink 5 times, stop 3 sec
Indoor coil over heat protection	Blink 6 times, stop 3 sec
Water pump failure	Blink 7 times, stop 3 sec

For all units Yellow LED light

On/Off timer set	LED light On
No On/Off timer	LED light Off

Sakura Hydronic Cassette AC Troubleshooting

3-Rooftop Package Air Conditioner

When Error, Display will be show as below.

Error Code	Meaning
E1	Freeze protection
E2	Defrost protection
E3	Compressor overload protection
E4	Anti overheat protection
E5	Low ambient protection
E6	Cooling fail
E7	Heating fail
E8	Sensor error

Hydronic Cassette SFP – KM – DLY Series, Technical-Installation Manual PDF