Trouble Shooting - Dreve Drufosmart scan Instrucciones De Trabajo

Drufosmart scan

15. Trouble shooting

Problem
Unit does not work
Main breaker on,
electronics show no
function
Piston cannot move
downwards
Piston has moved
downwards, unit
does not take over
self-maintenance
Piston does not
move upwards
Electronics can be set,
but radiator does not
heat
44
Cause
Power line is not correct
Main breaker is off
Miniature fuse is defect
Electronics are out
of order
Heating is not swivelled
outwards
Electronics are out
of order
Wrong operation
of push button
Contact pressure has
not been relieved
Final switch is defect
Magnet valve or
electronics are defect
Heating element is not
swivelled-in completely
Micro-switch defect
Aid
Control power supply
Switch on main breaker
Check miniature fuse
and exchange it,
if necessary
Electronics have to be
exchanged by an expert
Swivel heating outwards
Electronics have to be
checked by an expert
Pull push button
for 3 sec.
Relieve contact
pressure, see working
instructions
Final switch has to be
exchanged by an expert
Unit has to be
controlled by an expert
Swivel the heating
element in correctly
Micro-switch has to be
exchanged by an expert