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Instructions for installer - CEX9 - 801040 - January 2019 v1.10 Art.no:
9120-25687
9. Service menu
Menu item order of “Service menu“:
Flow
Power
Temp in
Temp out
Control value
Power limit
Diagnostics
Lock level
Software version
Radio channel
Received strength
Backlight
Temperature limit
Signal
2
8
4
7
5
3
6
9
+
1
Open service menu
Display flashes
Press
≥ 2 sec
The service menu offers an overview of system parameters and is used for diag-
nostics.
Press key and key simultaneously for at least 2 seconds to call up the service
menu, the display confirms by “FL” and by a flashing point. Using the arrow keys
and , you can switch between the individual menu items.
Press key to see the value of the currently selected menu. The value flashes in the
display. (The values of some menus can be switched over by using the arrow keys
and .) You will get back to the drop-down-menu when pressing key again. With
key you will get back to the standard display (nominal value). After two minutes
without any key stroke the system automatically switches back to the standard display.
Individual menu items as follows:
“FL“: Flow
Indication of current flow rate given in l/min.
“Po“: Power
Indication of current power consumption (kW).
“t1“: Temp in
Indication of inlet temperature (°C).
“t2“: Temp out
Indication of outlet temperature (°C).
“CA“: Control value
Indication of calibration value of the control system. Regular range: 40 – 60.
“PL“: Power limit
Indication of the current maximum power rating (kW) of the appliance.
“Er“: Diagnostics
Indication of the last ten diagnostic messages.
The error code is indicated by the first displayed value after pressing key (refer to
“Abstract for Trouble-Shooting & Diagnostics” in the hood). By using the arrow keys
and the last 10 error codes are displayed chronologically. Thereby the display
indicates in turns the error numbers from “0” to “9“ and the corresponding error. The
last error will be recorded at position “0” and the former ones each shifted 1 position
backwards.
“LL“: Lock level
The operating mode of the appliance can be restricted.
Setting Options:
“0” no restriction (factory setting)
“1” factory reset via key (countdown) not possible, parameters can be seen, but not be modified
in setup menu
“2” same as “1”, additionally the setup menu cannot be opened
“3” same as “2” additionally nominal value memory 1 and 2 not changeable
“4” same as “3”, additionally nominal value not changeable
Note: When the setting 1, 2, 3 or 4 was chosen, the system parameters can no
longer be modified in the service menu.
In order to modify these system parameters, it is necessary to remove the jumper
