Klimaire Air Conditioner Error Codes

AC BrandsKlimaire

Models: KSIM20912-H216, KSIM30912-H216, KSIM40912-H216

Klimaire Air Conditioner Error Codes
Error CodeProblem
E0EEPROM error
E1Communication error between indoor and outdoor unit
E2Zero-crossing examination error
E3Fan speed beyond control
E5Outdoor units temp. sensor or connector of temp. sensor is defective
E6Indoor units temp. sensor or connector of temp. sensor is defective
P0Inverter module protection
P1Outdoor voltage too low protection
P2Compressor discharge temp. protection
P3Outdoor temp. too low protection
P4Compressor driving protection
P5Outdoor temp. too low protection
Troubleshooting for outdoor unit
E1No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E2No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E3No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E6No 4 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E4Outdoor temp. sensor or connector of temp. sensor is defective
E5Compressor volt protection
E7Communication error between outdoor IC and DSP
P0Compressor discharge temp. protection
P1High pressure protection (just for 36K 1x4 units.)
P2Low pressure protection (just for 36K 1x4 units.)
P3Compressor current protection
P4Inverter module protection
P5Outdoor temp. too low protection
P6 Condenser high-temperature protection
P7Compressor driving protection
PF PFC protection.

Diagnosis and Solution:

EEPROM parameter error diagnosis and solution (E0/F4):

Malfunction decision conditions: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.

Supposed causes: Installation mistake. PCB faulty .

Indoor / outdoor unit’s communication diagnosis and solution (E1):

Malfunction decision conditions: Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously.

Supposed causes: Wiring mistake. Indoor or outdoor PCB faulty.

Zero crossing detection error diagnosis and solution (E2)

Malfunction decision conditions: When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal.

Supposed causes: Connection mistake. PCB faulty.

Fan speed has been out of control diagnosis and solution (E3)

Malfunction decision conditions: When indoor fan speed keeps too low (300RPM) for certain time, the unit will stop and the LED will display the failure

Supposed causes: Wiring mistake. Fan assembly faulty. Fan motor faulty. PCB faulty.

Troubleshooting


Klimaire Air Conditioner Troubleshooting
Klimaire Air Conditioner Troubleshooting

The following problems are not a malfunction and in most situations will not require repairs.

Issue: Unit does not turn on when pressing ON/OFF button

Possible Causes: The Unit has a 3-minute protection feature that prevents the unit from overloading. The unit cannot be restarted within three minutes of being turned off.

Issue: The unit changes from COOL/HEAT mode to FAN mode

Possible Causes:

  • The unit may change its setting to prevent frost from forming on the unit. Once the temperature increases, the unit will start operating in the previously selected mode again.
  • The set temperature has been reached, at which point the unit turns off the compressor. The unit will continue operating when the temperature fluctuates again.

Issue: The indoor unit emits white mist

Possible Causes: In humid regions, a large temperature difference between the room’s air and the conditioned air can cause white mist.

Issue: The indoor unit makes noises

Possible Causes:

  • A rushing air sound may occur when the louver resets its position.
  • A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’s plastic parts.

How to operate your unit without the remote control?

In the event that your remote control fails to work, your unit can be operated manually with the MANUAL CONTROL button located on the indoor unit. Note that manual operation is not a long-term solution, and that operating the unit with your remote control is strongly recommended.

How to operate your unit without the remote control
How to operate your unit without the remote control

To operate your unit manually:

  1. Open the front panel of the indoor unit.
  2. Locate the MANUAL CONTROL button on the right-hand side of the unit.
  3. Press the MANUAL CONTROL button one time to activate FORCED AUTO mode.
  4. Press the MANUAL CONTROL again to activate FORCED COOLING mode.
  5. Press the MANUAL CONTROL button a third time to turn the unit off.
  6. Close the front panel.

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