GREE Service Tools
Quickly diagnose, monitor, and optimize GREE HVAC systems with industry-leading service tools.
Please contact your distributor for purchasing options.
Heat Pump Models

Single-Zone | GREGT2A3AD
Troubleshooting & Unit Simulation
- Compatible with Single Zone & Multi-Zone Systems for data monitoring.
- Simulate an indoor or outdoor unit to diagnose missing components.
- Key tool for E6 communication error troubleshooting.

Multi-Zone | MZ230VTESTER
Outdoor & Indoor Data Insights
- Connects to the outdoor mainboard for full system diagnostics.
- View run data across multiple indoor units in a multi-zone system.
- Helps analyze system-wide performance.

MultiPRO | CE42-24/F(C)
Full System Commissioning & Control
- Set up and fine-tune systems directly from the tool.
- Provides full control over indoor unit operations (temperature, coil temps, EEV steps).
- Monitors compressor speed (Hz), outdoor fan speed (Hz), and DC bus voltage.
FLEXX R32
COMING SOON!
Which Tool do you Need?
Tool | Best For | Key Functions | Scenario |
---|---|---|---|
MZ230VTESTER | Multi-Zone Systems | Outdoor & indoor unit data, EEV steps, voltages | Viewing data for both outdoor and multiple indoor units |
GREGT2A3AD | Single & Multi-Zone Systems | E6 error troubleshooting, unit simulation, data monitoring | Diagnosing E6 errors or testing an indoor/outdoor unit |
CE42-24/F(C) | MultiPRO Full System Control | Start-up commissioning, diagnostics, unit control | Setting up a new system and commissioning units |
FLEXX R32 | FLEXX R32 Systems | Coming Soon |