![Walchem WCU Series Скачать руководство пользователя страница 38](http://html2.mh-extra.com/html/walchem/wcu-series/wcu-series_instruction-manual_3175359038.webp)
35
PASS
This message is displayed after initiating the SELF TEST feature. This indicates the
controller is functioning properly and the problem is likely to be with the sensor.
However, the wiring between the controller front panel circuit board and the
external sensor connector should be checked for breakage or wear. See diagram in
figure 3.
FAIL
This message is displayed after initiating the SELF TEST feature. The controller is
probably defective. Make sure to disconnect the sensor prior to attempting the self
test. Consult your factory representative for service options.
8.0 Service
Policy
The WCU Series Copper Controller has a 2-year warranty on electronic components
and a 1-year warranty on mechanical parts (keypad, terminal strip and relays).
We stock circuit boards for immediate exchange after we have isolated the cause of
the problem.
Factory authorized repairs that are received by next-day-air will be returned within
24 hours. Normal priority for returns is two weeks.
Out of warranty repairs or circuit board exchanges are done on a flat fee basis after
the warranty is expired.
WALCHEM CORPORATION
5 BOYNTON ROAD HOPPING BROOK PARK HOLLISTON, MA 01746 USA
TEL: 508-429-1110 FAX: 508-429-7433 WWW.WALCHEM.COM