E14 displayed; Sime water heater fails to modulate correctly, water temperature swings hot and cold.
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Possible Causes
How to Fix / Troubleshooting
Safety: Gas-related faults must be treated with caution. Turn off gas and power before inspecting wiring.
Steps:
- Check modulation connector: Inspect the small connector on the gas valve that controls modulation. Ensure it is firmly seated and not corroded.
- Observe operation: With a technician present, the flame should increase and decrease smoothly with flow demand. If it does not, the valve or board may be faulty.
Professional help: Gas valve modulation and pressure settings must only be adjusted by a licensed Sime technician. E14 generally requires professional service.
Repair Difficulty
Required Part
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