Enraf Nonius 1403773, Руководство по обслуживанию

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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Maintenance June 1997 4-8
043 communication error 13 - Check 18.5V. (transformer conn. G-H)
(+15V. supply error) - Check/replace fuse F1
- Check 18.5V. (transformer conn. E-F)
- Check/replace fuse F3
- Check 160V. (transformer conn. I-J)
- Check/replace fuse F4
043 communication error 14 - Check 160V. (transformer conn. I-J)
(+300V supply error) - Check/replace fuse F4
043 communication error 56 - Check 24V. (transformer conn. A-B)
(+45V. supply error) - Check/replace fuse F5
043 Watchdog error 03 - Replace Main PC Board
043 communication error 57 - Check 24V. (transformer conn. A-B)
(+45V. supply error) - Check/replace fuse F5
043 Main board error 34 - Check/adjust output frequency (see par. 4.6.3)
(Output frequency to low)
043 Main board error 34 - Check/adjust output frequency (see par. 4.6.3)
(Output frequency to high)
045 memory error: EEPROM - Check connections between main PC Board
and user interface PC Board
- Perform EEPROM format, see par. 4.6.2
4.5 REPLACEMENT PROCEDURES
4.5.1 General
When handling static sensitive devices such as the PC Boards of the Curapuls 670 the
following precautions should be observed:
- Persons should be earthed by means of a wrist strap
- Ground all electrical equipment, work-bench, soldering iron etc.
After every repair or adjustment of the Main board, a functional test must be performed
(see par. 4.3).
Warning: Inside the Curapuls 670 high voltages are present, beware of electrical
shock. Do not touch components or heat sinks when the cover is removed.
4.5.2 Front cover
Removal: Switch off the unit and remove the mains cable from the mains entrance.
Remove the screws on both sides of the metal strip between top- and
front cover. Remove the metal strip. Remove the two screws of the
front cover. Remove the front cover by lifting it from the chassis.