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3. DIAGNOSTICS AND REPAIRS
3.1. INTRODUCTION
The SORVALL T3 and SORVALL RT3 are equipped with a diagnostic menu in order to help
locate possible breakdowns. The possible conditions of malfunction are communicated to the
user by means of error codes on the display and buzzer alarms.
3.2. FUNCTIONAL TEST
Certain functional tests can be done directly using the keyboard and display.
These tests must only be undertaken by someone qualified to do so. They are protected by an
access code.
3.2.1. EPROM VERSION
The first message that appears when the machine is switched on remains active for a few
seconds (machine set up).
Display RPM
Display Time
Display Temp
Note: Display Time – the second digit (0 or 1) indicates the position of jumper ST1 factory
-selected.
3.2.2. TEST MODE
This mode is accessible by using a combination of keys while the machine is setting up (at
power ON).
Press on the following two keys at the same time :
Service Manual 11290099
SORVALL T3
SORVALL RT3
M30
M30r
40 or 41
80 or 81
"FW Revision"
"FW Revision"
• Acceleration profiles programming key
• Braking profiles programming key
page 18 of 44
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