E03 : No Zone Current
To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.
- Check for tripped circuit breaker on Reactor or at power source of that zone. Replace circuit breaker if it trips habitually.
- Check for loose or broken connection at that zone.
- Exchange zone module with another one.
- Turn zone on and check for error.
- If error disappears, replace faulty module.
- If E03 occurs for all zones, the contactor may not be closing. Verify wiring from heater control to contactor coil.