Raypak Heater Troubleshooter
Choose a Raypak Digital, commercial PIM, AVIA, XTherm, or E3T control family and map the exact display or LED pattern to manual-backed checks.
Manual-backed checks
Safety boundary: Shut off power before opening equipment. Gas, combustion, line-voltage, pressurized-water, inverter, and refrigerant work requires qualified service.
Read the full guideHow to use this heater tool
- Confirm the model number and control family. Similar-looking Raypak products can use different code vocabularies.
- Record the exact display text and operating conditions before resetting power or clearing history.
- Use the listed checks in order. Restore normal power, water flow, and configuration before condemning a component.
- Use the linked guide and current manufacturer manual for model-specific procedures.
What this tool does not do
It does not replace combustion analysis, electrical measurements, refrigerant diagnostics, or the manufacturer's service instructions. It only routes the selected manual message to the checks supported by that model family's manual.
Browse all Raypak troubleshooting guides or open the Raypak equipment library.