SIRIUSHAIR® S7N421 Programmed PCB & Heater System

Professional Replacement Components For Repairing GHD Max Gold S7N421 Hair Straighteners

IMPORTANT

Incorrect installation, wiring faults, damaged cables, defective switches, poor soldering, or incorrect fault diagnosis may permanently damage electronic components.

Please ensure the appliance has been correctly diagnosed before purchasing replacement parts.

These components are intended for experienced repair technicians and advanced DIY users who are confident in diagnosing electrical faults and carrying out appliance repairs.

COMMON FAULTS

• No power
• No heat
• Incorrect temperature
• Intermittent operation
• Flashing lights

MAIN COMPONENTS REPLACED

• PCB motherboard
• Heater elements

Sirius Hair is currently the only supplier of these specialist S7N421 repair components in South Africa.

All components are developed and manufactured exclusively for SIRIUSHAIR® and imported from our UK technical centre.

RETURNS POLICY

Due to the nature of electronic repair components, returns can only be accepted for products that remain unused, undamaged and in fully working condition.

Returns cannot be accepted for:

• Components damaged during installation
• Components damaged by faulty appliances
• Components damaged through incorrect wiring
• Components damaged by incorrect fault diagnosis
• Components showing signs of fitting or use

By purchasing these components, customers acknowledge that incorrect installation may permanently damage the supplied parts.

COMPATIBILITY INFORMATION

Compatible with:

• GHD Max Gold S7N421 models

Not compatible with:

• S7N261
• S8T261
• S8T262
• S4C242
• Other models

Please check the model number on the inner non-switch side arm label before ordering.

AVAILABLE PURCHASE OPTIONS

• PCB + Heater Pair (Recommended) – R849
• Programmed PCB Only – R649
• Heater Pair – R449
• Single Heater – R249
• 229°C Thermal Fuse – R149

RECOMMENDED REPAIR CONFIGURATION

For most repairs, Sirius Hair strongly recommends replacing:

• PCB + Both Heater Elements

The SIRIUSHAIR® PCB has been programmed specifically for use with SIRIUSHAIR® matched heater systems.

Reusing original heater elements may result in incorrect operating temperatures, poor performance, or failure of the repair.

PCB RECYCLING PROGRAMME

To help maintain affordable pricing and reduce electronic waste, customers purchasing a SIRIUSHAIR® PCB agree to return their faulty PCB using the supplied Courier Guy returns label.

Returned PCBs are sent back to our UK technical centre where they are:

• Tested
• Repaired where possible
• Reprogrammed
• Returned to stock for future refurbishment

This recycling initiative helps:

• Reduce electronic waste
• Prevent landfill disposal
• Maintain future component availability
• Keep repair costs as low as possible

STOCK AVAILABILITY

These are specialist components manufactured exclusively for SIRIUSHAIR®.

Stock levels may occasionally be limited due to international shipping schedules.

If stock is temporarily unavailable, back orders may be placed and will be fulfilled from our regular shipments received from our UK sister company.

Customers placing back orders will be advised of expected delivery dates once stock has been allocated.