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Brivis Error Codes & Troubleshooting

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

Brivis Error Codes

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

A1
HIGH
SmartComfort Module Error

Smart control module malfunction

Restart thermostat. Check WiFi. Update firmware.

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A2
HIGH
PCB Communication Fault

Main board cannot communicate with burner module

Power cycle system. Check all wiring.

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A3
URGENT
Gas Valve Assembly Fault

Modulating gas valve not responding

Turn off gas. Professional replacement needed.

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A4
URGENT
Ignition Electrode Error

Ignition spark not generating

Clean electrode. Check for corrosion. May need replacement.

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A5
HIGH
Flame Sensor Inactive

Flame sensor not detecting combustion

Safety shutdown. Clean or replace sensor.

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A6
HIGH
Blower Assembly Fault

Blower not responding to signals

Check motor power. Verify capacitor function.

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A7
HIGH
Pressure Sensor Error

Vent pressure sensor malfunction

Check vent lines. Clear debris. Test sensor.

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A8
HIGH
Draft Inducer Fault

Exhaust fan not operating

Inspect vent for ice/snow. Clean thoroughly.

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A9
HIGH
System Overheat

Temperature limit switch triggered

Allow cooling. Check returns aren't blocked.

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A10
URGENT
Gas Supply Interruption

Gas pressure too low

Check gas meter. Contact supplier immediately.

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A11
MEDIUM
Thermostat Battery Low

SmartComfort battery depleted

Replace thermostat batteries (AA/AAA).

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A12
MEDIUM
WiFi Disconnected

WiFi connectivity lost

Check router. Restart thermostat. Verify password.

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A13
HIGH
Transformer Failure

24V transformer damaged

Professional replacement required.

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A14
HIGH
Motor Capacitor Fault

Blower capacitor failed

Professional service needed for replacement.

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A15
MEDIUM
Air Filter Critical

Air filter extremely clogged

Replace immediately with Brivis recommended MERV.

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A16
MEDIUM
Ductwork Obstructed

Vents/ducts blocked

Check room vents. Remove blocking furniture.

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A17
MEDIUM
Short Cycling

Too many on/off cycles

May indicate oversized furnace. Contact installer.

Call Now
A18
MEDIUM
High Limit Stuck

Temperature switch stuck in safety

Allow cooling. Inspect airflow issues.

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A19
URGENT
Gas Odor Warning

Gas leak detected

Evacuate immediately. Call gas company.

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A20
URGENT
Ignition Lockout

Multiple failed auto-ignitions

System locked. Professional reset required.

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Preventative Care

Brivis Maintenance Tips

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

Still Need Help?

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

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