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Fault Cause Cure
Burner does not operate No voltage present Check fuse, electrical connections, setting of the or
registers a fault contr. operat. switch and heating emergency off switch.
Oil tank empty / Fill oil tank /
gas feed shut off open gas feed
Burner fault Press fault clear button on the furnace controller.
(See burner assembly instructions)
Temperature safety limiter Press the release on the controller.
has operated
Oil filter blocked Replace oil filter
Heating circuit pump Equipment in summer mode Check summer/winter switch
does not operate
Heating circuit pump jammed Turn the pump shaft with a screwdriver.
Heating circuit pump faulty Replace heating circuit pump.
Reservoir pump Faulty reservoir temp. regulator Examine reservoir temperature regulator and
does not operate replace if necessary.
Reservoir pump jammed Turn the pump shaft with a screwdriver.
Faulty reservoir pump Replace reservoir pump.
Heating system operates, Maximum boiler temperature Set higher maximum boiler temperature.
but room temperature too low set too low
Fault-Cause-Cure
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