State Water Heaters SCE 65-400, Installation, User And Service Manual

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Release R.1.0 Uk 57
Warning
Maintenance may only by carried out by a service and maintenance engineer.
Explosive ignition
Poor flame profile
Incorrect supply
pressure and/or burner
pressure. Set the correct supply pressure and/or burner pressure, see
’3.12 Checking the supply pressure and burner pressure’ .
If ignition is not improved, consult your installer.
Dirty burner Clean the burner. See ’9.4.2 Clean the burners’
Dirty injector. Clean the injector. See ’9.4.3 Clean the injectors’
Insufficient air supply Improve the air supply by means of improved ventilation to the
room in which the appliance is located.
Power Anode
(optional) If the fault cannot be corrected, consult your installer.
• The indicator
light is red • Anodes not making
contact with the
water;
• Break in one of the
cables;
• Anode not properly
earthed;
1. Check that the waterheater is full of water;
2. Check to see whether the Power Anode is connected properly,
see 'appendix A.2 Electrical Diagram SCE';
3. Check to see that the connecting points are making contact
properly;
4. Check the cabling for breaks and replace if any are found.
• Indicator light is
not on No power supply to the
potentiostat;
Check the power supply
Table 8.1 General faults Page 2 of 2
Characteristic Cause Measure Observation