Technical data

8 Troubleshooting

Instructions for installation and servicing ecoMAX50

8.2 Test programs

The use of different test programs permits the activati-

on of a range of special unit functions. Please refer to

Table 8.4 (below) for detailed information.

• Test programs P.1 to P.6 are activated by operating the

Power ON switch and pressing the ”+” button at the

same time (and keeping it pressed for five seconds).

”P.1” will now appear on the display

• Press the ”+” button to increase the test number

• Now press the ”i” button to start up the unit and

activate the test program

• Test programs can be aborted by pressing the ”i” and

”+” buttons at the same time. Test programs are also

cancelled if no button is operated for 15 minutes.

Display Meaning

P.1 Test program used when the unit runs at

full load after successful ignition

P.2 Test program used when the unit runs with

minimum gas consumption after successful

ignition

P.3 not applicable

P.4 not applicable

P.5 Program for STB (safety temperature

limiter) testing; the device heats up,

bypassing the regulator shutdown

procedure, until it reaches the STB

shutdown temperature of 97 °C

P.6 not applicable

Table 8.4 Test programs

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