Professional Heating & Hydronic Services

Mon - Sat: 09:00 - 08:00

Back to Self-Care Guide

Haier Error Codes & Troubleshooting

Complete error code database and troubleshooting guide for Haier systems. Find solutions to common issues or contact our experts.

Emergency: 0405 133 761

Haier Error Codes

Complete error code reference for Haier systems. Each error code includes severity level, description, and troubleshooting steps.

I1
HIGH
IoT Module Error

Smart connectivity malfunction

Restart system. Check WiFi connection.

Call Now
I2
HIGH
Sensor Communication Error

Sensor not responding

Check connections. Clean sensor.

Call Now
I3
HIGH
Compressor Error

Compressor not running

Check power supply. Verify contactor.

Call Now
I4
HIGH
Fan Error

Fan motor malfunction

Check motor power and operation.

Call Now
I5
URGENT
Low Refrigerant

Refrigerant loss critical

Professional leak detection needed.

Call Now
I6
URGENT
High Pressure

Pressure exceeds limit

Shut down. Check condenser.

Call Now
I7
HIGH
Temperature Error

Sensor malfunction

Clean sensor. Check wiring.

Call Now
I8
HIGH
Outdoor Unit Fault

Board malfunction

Check power supply connections.

Call Now
I9
URGENT
Wrong Gas Type

Incorrect refrigerant

Professional evacuation immediately.

Call Now
I10
HIGH
Overload Protection

Compressor overload

Cool for 30 mins. Check...

Call Now
I11
URGENT
Network Error

IoT communication failed

Check control cable connections.

Call Now
I12
MEDIUM
Filter Alert

Air filter dirty

Replace filter immediately.

Call Now
I13
HIGH
Drain Blocked

Condensate drain obstruction

Clear drain line immediately.

Call Now
I14
MEDIUM
Defrost Error

Heating defrost malfunction

Check outdoor ice.

Call Now
I15
LOW
Mode Error

Wrong mode selected

Set correct operating mode.

Call Now
I16
HIGH
Valve Error

Expansion valve fault

Refrigeration service required.

Call Now
I17
HIGH
Power Error

Electrical problem

Check breaker and wiring.

Call Now
I18
MEDIUM
Coil Freeze

Outdoor coil frozen

Defrost or COOL mode.

Call Now
I19
MEDIUM
Remote Error

Remote malfunction

Replace batteries. Check signal.

Call Now
I20
MEDIUM
Noise

Abnormal unit sounds

Professional inspection recommended.

Call Now
Preventative Care

Haier Maintenance Tips

Regular maintenance helps prevent error codes and keeps your system running efficiently. Follow these Haier-specific tips for optimal performance.

Still Need Help?

Our licensed technicians specialize in Haier systems and are available 24/7 for emergency repairs and expert support.

Call Now: 0405 133 761Book Service

Call Anytime

0405 133 761
0405133761
X

About Us

Professional heating and air conditioning services in Melbourne. Specializing in hydronic heating, gas ducted heating, and split systems with 24/7 emergency support.

Get a free quote

Logo

Please fill out the form below and we will get back to you as soon as possible.

Go Back Top