Chunlan Air Conditioner Error Codes

Error Codes	Problem
E0	High-pressure protection
E1	Antifreeze protection
E2	ID ambient temp probe short circuit
E3	ID pipe temp probe short circuit
E4	OD pipe temp probe short circuit
E5	Communication failure
E6	Phase sequence protection
E7	Overcurrent protection
E8	Load relief protection
E9	Low-pressure protection

In case of repeated protections of air conditioner, cut off power supply and have failure corrected by specialty maintenance personnel, before restarting the machine.

Chunlan Air Conditioner Error Codes / E0-E1-E2-E3-E4-E5-E6-E7-E8-E9

Common Troubleshooting
In case of AC failure, immediately cut off power supply. Check the following before requesting maintenance:


Failure: Machine not operating
Causes:

1. Power off
2. Power not meeting requirement
3. Molten fuse or open CB

Correction measures:

1. Use when power is resumed
2. Check power supply before use
3. Replace fuse or close circuit breaker

Failure: Machine operating at poor cooling/heating efficiency, or not cooling or heating
Causes:

1. Clogged air strainer
2. ID or OD unit air intake clogged
3. Improper temp control setting
4. Open door/window

Correction measures:

1. Clean air strainer
2. Remove obstacles
3. Reset temperature control
4. Close doors/windows

This air duct type air conditioner is our latest home (commercial) centralized air conditioning product.
This product features high efficiency, energy saving, mild and silent operation, computerized intelligent control and healthy fresh air etc.
In addition, wire and wireless controls are provided for easy operation.
The product can be widely used in large area, multi-room composite compartment/houses, villa, and medium and small restaurants, bars, leisure and recreation sites.

Chunlan Air Conditioner Ordinary wire controller

Note:
1. For relevant models and parameters provided in this manual, actual products and nameplate information shall govern;
2. This manual has been carefully checked. In case of printing error, our company shall not bear responsibility for the consequences.

3. Our company is in constant technology advancement and product series and sizes will be adjusted from time to time. Please note information of our new products.