USER MANUAL OPTIMA 7
61 / 78 MRU GmbH, D-74172 Neckarsulm
Service values
Should your analyzer display an error message after zeroing (for exam-
ple: „O2-Sensor not OK"), then you can use the Service value menu to
get detailed information about possible defects. In this menu you will
see all service values of the sensors and also other parameters.
In case of a defect contact the MRU service department. The MRU ser-
vice technician will ask you about these values or he will ask you to send
them by fax or email.
► Go to the Extras menu.
► Select Service values.
► Press OK.
The menu Service values appears.
► Press F1 to switch the gas pump function test on or off.
► Press F2 to switch the function test of the purge pump on or off.
► Press OK.
A window for entering the PIN-code appears.
► Enter the PIN-code
The selected function test is switched on or off.
Performing leak test
With the leak proof test, the system is checked by the device (incl. the
condensate separator) up to the probe spike on undensity. The internal
gas pump generates in addition a sub pressure which is measured over
the built-in draft sensor and is observed for a period of 10 seconds.
Based on the decrease of pressure the leakness of the system will be
determined.
Operation:
► The leak proof test cap # 61382 (for probe tubes Ø 8 mm) must be
put on the probe spike.
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