78 4 213 563 / 03
ALARM MESSAGES
No hot water - The charging pump is not running - Unscrew locking screw
- Turn end of shaft vigorously with a screwdri-
ver until there is no longer resistance
- Is there air in the charging pipe? - Possibly vent manually
- Operate automatic air vent by hand
- Has the safety temperature limiter tripped? - Unscrew the nut and unlock by pressing the
Reset button
Please use the above checklist when carrying out the checks in the case of malfunctions. If you are not able
to resolve the fault, please contact the heating specialist or Hoval Customer Service.
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