66
7 Fault elimination
7.1 Fault indication
Malfunctions during operation are indicated by the “danger symbol” in
the standard operating display. If there is a severe malfunction (unit is
blocked) the red LED lights additionally.
By pressing the <Info> key additional information can be displayed for each
active warning and/or error message. Press the < > and < > keys, in
order to scroll between the active warning and/or error messages.
– Warning messages
The control of the Nordmann AT4 D checks whether there is a temporary
problem (e.g. water supply interrupted for a short time) or whether it
can resolve the problem by taking necessary measures. If the cause of
the malfunction disappears of its own accord or if the control can repair
the malfunction, the alarm message will automatically switch off. If the
cause of the malfunction does not disappear even after a longer period
of time, a error message is triggered.
– Error messages
Additionally to the error message the red LED lights. Further operation
is normally not possible any longer, the unit is blocked. To eliminate the
malfunction see chapter 7.2 and 7.3.
Note: After eliminating the malfunction the error message must be reset
(see chapter 7.4).
Note: if you want to see further information of an active warning or error
message of a steam generator on the optional remote terminal, select
“Exception” in the diagnostic menu of the appropriate steam generator (ap-
pears only on the remote terminal), then press <Set> key:
Menu
Error 32
Sensor void
No sensor signal
Sensor damaged
Diagnostic
ErrorHistory:Set
Unit Status::Set
Bath Test :Set
Exception :Set
Remote Test :Set
Esc Set
Main Menu
Light-2 :O
User :Set
Engineering :Set
Fragrance :Set
Diagnostic :Set
Esc Set
Menu Light Start
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Menu
Warning 21
Cyl.Max.Level
Initial operat.->wait
Water conduct. Low
Electrodes spent
Esc
Fehler 32
Sensor void
No sensor signal
Sensor damaged
Menu Light Stop Info
AT4D 65kg/h
Steam Bath :Warm-up
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
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