User and Service manual JO960
Ver. 2.0
Ver. 1.1
14
If the machine indicates high temperature the cooling water is too
warm. This might be caused by
-
Compressor has stopped. Check if the fuse F4 (See table
on Figur 3) has blown.
-
Extremely hard usage during a long period.
This indicator will be illuminated if the cooling water is not flowing
correctly, which might be caused by
-
Circulation pump does not work. Check if the Fuse F2 has
blown.
-
The cables, hand held transformer or heating tip are
malfunctioning. Check that they are not damaged in any
way.
”Reset” indicator is illuminated when the electronic unit of JO960
does not work properly. Possibly caused by
-
Shortcircuit of heating tip or hand held transformer. If the
heating tip is damaged, it must be changed. (see Changing
of heating tip on page 11).
-
Inadequate earthing for hand held unit. Check ground
cables (yellow/green cables) as well as their connections in
the hand held unit.
Remark: Only trained service technicians are allowed to perform
any work on electronic unit, compressor and electric
couplings.
