Troubleshooting Guide; Disposal Instructions For Countries In The Eu - Renfert Vario E Instrucciones De Servicio

12. Troubleshooting Guide

Error
No display, no op-
eration although the
unit is switched on
the main switch (A).
The unit is operat-
ing but there is no
increase in tempera-
ture.
No memorisation
of the last settings
when restarting the
unit.
13. Disposal instructions for
countries in the EU
To conserve and protect the environment,
prevent environmental pollution and
improve the recycling of raw materials, the
European Commission adopted a directive
that requires the manufacturer to accept
the return of electrical and electronic units
for proper disposal or recycling.
Within the European Union units with this
symbol should not therefore be disposed
of in unsorted domestic waste:
For more information regarding proper
disposal please apply at your local authori-
ties.
EN
Possible cause
• Power supply inter-
rupted.
• Faulty overheat fuse.
• Faulty unit fuse
• Faulty thermal sensor.
• Faulty heater.
• The unit was switched
off immediately after
setting the param-
eters.
- 6 -
Corrective action
• Check the power supply and
power cords
• Have fuse replaced by Service
Department.
• Have fuse replaced by Service
Department.
• Have fuse replaced by Service
Department.
• Have fuse replaced by Service
Department.
• Before switching off the unit,
wait 4 seconds without press-
ing any dials, since the last
parameters will be memorised
only after this period of time.
Subject to modification.