Enraf Nonius 1403773, Service Manual

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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Maintenance June 1997 4-1
4 MAINTENANCE
4.1 GENERAL
We recommend to check the Curapuls 670 annually.
4.2 CHECKLIST
The following procedures must be carried out during an inspection and/or after every
repair:
4.2.1 Modifications, if any, according to the "Service Info" sheets. See appendix C of this
manual for further information.
4.2.2 Visual inspection. Check the electrical wiring for safety and check that all components
are properly fastened. Check that the fuses have the specified ratings (see par. 1.3.1).
4.2.3 Check that all accessories are in good condition.
4.2.4 Functional test (see chapter 4.3).
4.2.5 File all service activities.
4.3 FUNCTIONAL TEST
4.3.1 Self test
Connect the Curapuls 670 to the mains and switch on the equipment.
The Curapuls 670 will carry out the so-called self test for approx. 10 seconds.
At the end the buzzer sounds (otherwise see par. 4.4.1.2 - 4 ). It is assumed that when
the selftest is passed all functions of the Curapuls 670 are okay.
Switch off the Curapuls 670.
4.3.2 Control panel test
Push and hold depressed the two right-hand switches (enter and start/stop keys) at
control panel simultaneously, during switching on the Curapuls 670 on (see appendix
B, fig. 2).
Release the switches after the “beep”.
Check the switches one by one; each time the buzzer sounds, the switch which is
depressed is shown in the LCD display (otherwise see par. 4.4.1.6).
Check the central control knob, rotating clockwise will move a rectangle from left to right
between the two lines at the bottom of the LCD display. Rotating anti-clockwise will