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Sakura Air Conditioner Error Codes

 

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 CodesSolution
E2Failure of the indoor sensor. Change the indoor temperature sensor.
E3Protection of cooling mode.
E4Failure of the indoor coil sensor. Change the indoor coil sensor.
E5Failure of the upper fan motor.
E6Failure of the system. Check if the refrigerant leaking or missing.
E7Protection 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 CodesSolution
E2Indoor coil sensor 2 faulty (4 pipe unit)
E3Return air sensor faulty
E4Indoor coil sensor 1 faulty
E5Indoor coil low temperature protection
E6Indoor coil over heat protection
E7Water pump faulty
E8Local communication error
Sakura Hydronic Cassette AC Remote Control
Sakura Hydronic Cassette AC Remote Control

Led lights of lamp board on unit panel & error display

For all units Red LED light

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

For all units Green LED light

Cool ModeGreen LED light On
Indoor coil sensor 2 failureBlink 2 times, stop 3 sec
Return air sensor failureBlink 3 times, stop 3 sec
Indoor coil sensor 1 failureBlink 4 times, stop 3 sec
Indoor coil low temperature protectionBlink 5 times, stop 3 sec
Indoor coil over heat protectionBlink 6 times, stop 3 sec
Water pump failureBlink 7 times, stop 3 sec

For all units Yellow LED light

On/Off timer setLED light On
No On/Off timerLED light Off
Sakura Hydronic Cassette AC Troubleshooting
Sakura Hydronic Cassette AC Troubleshooting

3-Rooftop Package Air Conditioner

When Error, Display will be show as below.

Error CodeMeaning
E1Freeze protection
E2Defrost protection
E3Compressor overload protection
E4Anti overheat protection
E5Low ambient protection
E6Cooling fail
E7Heating fail
E8Sensor error

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

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