Renfert hotty, Часто задаваемые вопросы

Страница: 4 / 16

- 1 - EN
FAQ - English
For information on operating elements, see Fig. 1 on page 2 of this
document.
Error Possible cause Corrective action
No display / no op-
eration, although the
unit is switched on
the main switch ( A ).
• Power supply interrupted.
• Faulty overheat fuse.
• Faulty unit fuse.
• Check the power supply
and power cords.
• Have fuse replaced by
Service Department.
• Have fuse replaced by
Service Department.
The unit is operat-
ing but there is no
increase in temper-
ature.
• Faulty thermal sensor.
• Faulty heater.
• Have probe replaced by
Service Department.
• Have heater repaired by
Service Department.
Temperature has
been changed but is
not saved.
• Mains supply interrupted be-
fore saving values (5 seconds
after changing values).
• Change again tempera-
ture and turn off unit only
after 5 seconds.