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Electrofusion Welder
26/07/2011
www.LaboratoryDrainage.co.uk Pg 20
27: Fitting open circuit
This fault is shown if the output lead disconnects from the fitting while
welding. Follow the guidelines from the fitting manufacturer, reconnect
the lead and try welding again.
28: Welding current Low (<98.5%)
This fault will happen if the welding current is more than 1.5% low for
more than 3 seconds. This can be caused by a generator that is not big
enough to supply the required power to the fitting. Check the size of the
generator and if needs be try another generator. It can also be caused by
using long extension leads with the unit. It is recommended that only 30
feet of extension are used, and the cable should be the same thickness as
the input lead on the unit.
29: Welding current Low (<50%)
This fault will happen if the welding current is more than 50% low for
more than 1 second. It can be caused by a faulty fitting. Try another
fitting. If this doesn’t clear the fault then there is a problem inside the
unit and it must be returned for repair.
126: Cooling time failure
If the power is turned off while the unit is in the cooling down time, or if
the output lead is disconnected from the fitting while cooling, this fault
will be recorded to the data log.
127: Power off failure.
If the power is turned off while the unit is welding, this fault will be
recorded to the datalog.