46
8 Troubleshooting
Instructions for installation and servicing ecoMAX46
8.1.2 Diagnosis modes
In order to assist with the pinpointing of a particular
fault it is possible to use the boiler display in a diagno-
stic mode to interrogate the boiler about the status of
certain components (Table 8.2).
• Press the ”i” and ”+” buttons below the display simul-
taneously. The display will now show ”d.0”.
• Use ”+” or ”–” buttons to scroll up or down to the desi-
red diagnosic number.
• Press ”i” button to display the corresponding diagno-
sic information.
• If necessary, you can now alter the value by pressing
”+” or ”–” buttons. (When altering values display will
flash). Press and hold the ”i” button to save the value
to memory, when the value is saved the display will
stop flashing.
Diagnosic mode is cancelled as follows:
• Press the ”i” and ”+” buttons simultaneously or
• Do not press any key for approximately four minutes.
The display will now revert back to showing the cur-
rent flow temperature.
83 41 77_12 GB04.04.qxd 22.09.2004 12:34 Uhr Seite 46
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