Service Manual
37/46
Issue 3.1
Ref. NR-00019-ENG
http://www.gamapur.com/
5. Hose Heating Components
With the general switch turned off, make sure the hose connectors and the electrical
connections between the hoses and the unit are correct and well fixed. If the connections are
correct and the hoses do not heat up, check section by section to locate the connection that is
failing.
Proceed as in the following:
a) Disconnect the unit from the power supply by deactivating the general switch and start
to check the hose section closest to the gun. Remove the “Fast Lock” connector, and
make a “bridge” on the connection immediately before.
b) Restore the power supply, press the POWER CONTROL key and the key under the
HOSES display. If the heating works, the problem will be in the last section of hose.
Replace it. If not, do the following.
c)
Disconnect the unit from the power supply, remove the “Fast Lock” connector from the
last section of hose and make a “bridge” on the connection immediately before.
d) Restore the power supply, press the POWER CONTROL key and the key under the
HOSES display. If the heating works, the problem will be in the last but one section of
hose. Replace it. If not, repeat steps c) and d) until you find the point of the fault
e) The display located on the transformer allows seeing the amps. Turn clockwise to
increase the amps and anti-clockwise to reduce it. The value of the power must be set
between 0 and 50 Amps.