3.2Fault overview
Failure | Possible Cause | Corrective Action |
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Gas smell |
| If you smell gas you should immediately |
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| close the main gas tap, you should not |
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| fight any fire or switch on light. electrical |
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| switches or bels. Open windows and |
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| immediately contact your installer or the |
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| local gas company |
Heater is | Burner automat is in lock | Reset burner automat with the RESET |
off or | condition | button on the top of the collumn |
does not |
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|
ignit | Blocked chimney | Contact your installer to investigate the |
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| cause and rectify it |
| Overheat thermostat is | Check control thermostat set at 60 °C. |
| engaged | Allow the water to cooldown (open taps). |
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| Puts the RESET button at the panel. The |
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| heater should now operate. If it does not |
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| contact your installer. |
| Gas supply shut off | Open the inlet gas valve |
Insufficient | Temperature set too low | Set water temperature to higher valvue |
hot water, |
| (60 °C recommended) |
or none |
|
|
at all | Thermal Reflux Safeguard | After resetting the TRS activate the heater. |
| has shut down the heater | If this occurs regularly, call your installer |
| Overheat thermostat is | Allow the water to cool down (opentaps). |
| engaged | Puth the RESET button at the panel. |
| Supply of hot water exhausted | Reduce hot water use. Give the heater |
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| time to heat the water |
| Unindentifiable cause | Switch off the elactricity to the heater, close |
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| the inlet gas valve and call your installer |
Explosive | Wrong inlet gas pressure and/or | Set the correct inlet pressure and/or burner |
ignition | burner pressure | pressure |
| Dirty injectors | Clean injectors |
Poor flame | Wrong inlet pressure and/or | Set the correct inlet pressure and/or burner |
image | burner pressure | pressure |
Water | Condensation of (flue) gasses | See chapter “Condensation” |
leakage |
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|
| Leakage from other water | If possible trace the cause and/or call your |
| heater or pipes in the vicinity | installer |
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