Professional Heating & Hydronic Services

Mon - Sat: 09:00 - 08:00

Back to Self-Care Guide

Celair Error Codes & Troubleshooting

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

Emergency: 0405 133 761

Celair Error Codes

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

QC1
MEDIUM
Silent-Comfort Isolation Error

Vibration isolation system fault

Check mounting brackets. Tighten.

Call Now
QC2
HIGH
Temperature Sensor Error

Sensor malfunction

Clean sensor. Check wiring.

Call Now
QC3
HIGH
Quiet Blower Error

Low-noise blower malfunction

Clean filter. Check power.

Call Now
QC4
HIGH
Outdoor Fan Error

Fan malfunction

Check obstruction. Clean.

Call Now
QC5
URGENT
Low Refrigerant

Refrigerant loss

Professional leak detection.

Call Now
QC6
URGENT
High Pressure

Pressure exceeds limit

Shut down. Check condenser.

Call Now
QC7
HIGH
Compressor Protection

Overload triggered

Cool for 30 minutes.

Call Now
QC8
URGENT
Wrong Gas Type

Incorrect refrigerant

Professional evacuation.

Call Now
QC9
HIGH
Discharge Temp High

Output temperature excessive

Clean condenser.

Call Now
QC10
HIGH
Outdoor Board Error

PCB malfunction

Check power connections.

Call Now
QC11
MEDIUM
Remote Control Error

Remote not working

Replace batteries.

Call Now
QC12
MEDIUM
Defrost Malfunction

Heating defrost error

Check outdoor ice.

Call Now
QC13
LOW
Mode Error

Wrong mode selected

Set correct mode.

Call Now
QC14
MEDIUM
Filter Alert

Air filter clogged

Replace filter.

Call Now
QC15
MEDIUM
Outdoor Coil Freeze

Ice accumulation

Defrost or COOL mode.

Call Now
QC16
HIGH
Power Supply Error

Electrical issue

Check breaker and wiring.

Call Now
QC17
HIGH
Expansion Valve Fault

TXV malfunction

Refrigeration service.

Call Now
QC18
HIGH
Condensate Drain Blocked

Drainage failure

Clear drain line.

Call Now
QC19
MEDIUM
Silent-Comfort Noise

Unit still producing noise

Check isolation. Inspect mounts.

Call Now
QC20
URGENT
Communication Failure

Units not communicating

Check cables. Power cycle.

Call Now
Preventative Care

Celair Maintenance Tips

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

Still Need Help?

Our licensed technicians specialize in Celair 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