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5
Operating and display functions
5.4
Service message
If a fault occurs in the heating system, the timer displays an
error message in the display.
Caution!
b
Risk of damage to the heating system
due to failure to perform troubleshooting
work!
An error message indicates that the heat-
ing engineer must perform troubleshooting
or repair work on the heating system. Fail-
ure to take notice of these error messages
could lead to material damage or break-
down of the heating system.
> If the timer displays an error message,
inform a heating engineer.
32
Heat generator fault
!
Back
5.5 Example of an error message
If the timer shows an error message in the display instead
of the basic display and you press the left selector button
"Back", then the basic display appears again.
Operating instructions timeSWITCH 160 0020132032_00
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