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York Error Codes & Troubleshooting

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

Emergency: 0405 133 761

York Error Codes

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

Y1
HIGH
Commercial Unit Error

Control board malfunction

Power cycle immediately.

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Y2
HIGH
Multip Sensor Fault

Sensor error

Check connections. Clean.

Call Now
Y3
HIGH
Compressor Error

Compressor not running

Check supply. Verify contactor.

Call Now
Y4
HIGH
3-Phase Fan Error

Three-phase fan malfunction

Check motor power supply.

Call Now
Y5
URGENT
Refrigerant Critical

Refrigerant loss

Professional leak detection.

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Y6
URGENT
High Pressure

Pressure over limit

Shut down. Check condenser.

Call Now
Y7
HIGH
Compressor Protection

Overload protection

Cool down 30 minutes.

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Y8
URGENT
Wrong Gas

Incorrect refrigerant

Professional evacuation.

Call Now
Y9
HIGH
Discharge Temp Error

Output temp abnormal

Clean condenser.

Call Now
Y10
HIGH
Outside Board Error

Outdoor board fault

Check power connections.

Call Now
Y11
MEDIUM
Remote Error

Remote unit error

Replace batteries.

Call Now
Y12
MEDIUM
Commercial Defrost

Defrost cycle error

Check outdoor ice.

Call Now
Y13
LOW
Mode Error

Wrong mode

Set correct mode.

Call Now
Y14
MEDIUM
Commercial Filter

Filter clogged

Replace filter.

Call Now
Y15
MEDIUM
Outdoor Freeze

Coil iced

Defrost mode.

Call Now
Y16
HIGH
3-Phase Power

Power phase issue

Check breaker configuration.

Call Now
Y17
HIGH
Valve Error

Valve malfunction

Refrigeration service.

Call Now
Y18
HIGH
Drain Error

Drain line blocked

Clear drain line.

Call Now
Y19
MEDIUM
Noise

Abnormal noise

Professional inspection.

Call Now
Y20
URGENT
Communication Error

Units not synced

Check cables. Power reset.

Call Now
Preventative Care

York Maintenance Tips

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

Still Need Help?

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

Call Now: 0405 133 761Book Service

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0405 133 761
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