If the display shown “E4”, the communication between display PCB and main control PCB is faulty.

Table of Contents

• Electrolus AC Display Error Code E4
  • Issue:
  • Applies to:
  • Resoltion:
  • Cause:
• Portable air condition displays code A5 or E5
  • • Issue
    • Applies to
    • Resolution
    • Cause
• Portable air condition displays code E7
  • • • Issue:
      • Applies to:
      • Resolution:
      • Cause:
• Portable air condition displays code L3
  • • • Issue:
      • Applies to:
      • Resolution:
      • Cause:
• Portable air condition displays code “P1” (PI)
  • Issue
  • Applies to
  • Resolution
    • • • 1. Code P1 indicates the bottom tray is full.
  • How do I fix E4 error on my air condition?
    • What Should You Do When Your Portable Air Condition Displays An E4 Error Code?
    • Resolution:

Electrolus AC Display Error Code E4

Issue:

• Portable air condition displays code E4
• Error code E4

Applies to:

• Room Air Condition

Resoltion:

1. If in warranty, Contact Authorized Service Center
2. Perfessional AC Technician

Cause:

If the display shown “E4”, its mean the communication between display Screen’s PCB and main control PCB is faulty.

Portable air condition displays code A5 or E5

Issue

• Portable air condition displays code A5 or E5 
• Error code A5 (AS)
• Error code E5 (ES)

Applies to

• Portable air condition

Resolution

1. Contact an Authorized Service Centre.

Cause

• If the display reads “A5”, the room temperature sensor has failed
• If the display reads “E5”, the evaporator temperature sensor has faile

Portable air condition displays code E7

Issue:

• Portable air condition displays code E7
• Error code E7

Applies to:

• Portable air condition

Resolution:

1. Contact Authorized Service Center.

Cause:

• If the display reads “E7”, the indoor motor has failed

Portable air condition displays code L3

Issue:

• Portable air condition displays code L3
• Error code L3

Applies to:

• Portable air condition

Resolution:

1. Contact Authorized Service Center.

Cause:

• If the display reads “L3”, the condens DC fan motor has failed.

Portable air condition displays code “P1” (PI)

Issue

• Portable air condition displays code “P1” (PI)
• Error code P1

Applies to

• Portable air condition

Resolution

1. Code P1 indicates the bottom tray is full.

• Carefully move the unit to a drain location, remove the bottom drain plug and let the water drain away.
• Restart the machine until the “P1” symbol disappears

2. If the error repeats, contact Authorized Service Center.

How do I fix E4 error on my air condition?

What Should You Do When Your Portable Air Condition Displays An E4 Error Code?

Resolution:

• Change your air filters.
• Have a professional licensed AC technician check your refrigerant levels.
• Clean evaporator and condenser coils annually.
• Make sure you have an adequate power supply.