Field Actions
DISPATCHAlways disconnect appliance from 230V/400V mains before opening panels. Use CAT III multimeter for circuit testing.
Frequently Asked Questions: Atlantic ER 10
FAQ TREEWhat does error code ER 10 mean on a Atlantic appliance?
Atlantic error code ER 10 indicates: No hot water or takes too long to heat.
What is the root cause of Atlantic error code ER 10?
The primary root cause for Atlantic code ER 10 is: The main heating element has failed or is covered in limescale..
How do I fix or resolve Atlantic error code ER 10?
To resolve error code ER 10: The heating element needs to be tested for continuity and replaced if faulty.
Is it safe to clear Atlantic error code ER 10 by resetting power?
Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Atlantic code ER 10 persists, the physical component causing The main heating element has failed or is covered in limescale. must be inspected or replaced.
How do I test electrical resistance for Atlantic code ER 10 using a multimeter?
Set a digital multimeter to ohms (Ω). Disconnect power and test Immersion / Air Heating Element & Klixon Thermostat across Between element terminals (unwired). Insulation to earth casing: >20MΩ (OL). Expected nominal reading is 25Ω–28Ω (230V / 2000W) / <0.5Ω (Safety Klixon closed). Tolerance: Formula R = V²/P (±5%). Any earth leakage reading below 2MΩ will trip the domestic 30mA RCD breaker..
What safety protocol must be followed before servicing Atlantic code ER 10?
Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.
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