HP 5890 SERIES II Service Manual page 290

18. Install push- on- type connectors for oven heater leads (J3 and J4). (Either lead may be con-
nected to either terminal.)
19. Connect power cord lead push- on- type connectors J1 (WHITE lead) and J2 (BLACK lead).
20. Install the dual duct assembly on the installed mounting screw.
21. Install the upper mounting nut to secure the dual duct assembly to the outer oven shell.
22. Tighten the upper mounting nut using a 7- mm nut driver.
23. Tighten the lower mounting screw using a Pozidriv screwdriver.
24. Slide the rear cover on
to the instrument.
25. Secure the rear cover
to the instrument by in-
stalling and tightening
four screws.
26. Restore all gas sup-
plies.
27. Restore power to the
instrument.
28. Observe the alphanu-
meric display, as the in-
strument performs an
internal self- diagnostic
integrity check. to en-
sure that the instrument
shows the expected
normal displays.
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NORMAL" INTEGRITY CHECK"
OVEN
FINAL
TIME
RATE
INITIAL
TIME
OVEN
FINAL
TIME
RATE
INITIAL
TIME
OVEN
FI-
NAL
RATE
TIME
INITIAL
TIME
OVEN
FINAL
TIME
RATE
INITIAL
TIME
SVC 11- 4
AT POWER-ON
ACTUAL SETPOINT
Test of display elements:
all alphanumeric and LED
elements are lit.
STATUS
RUN
NOT
READY
ACTUAL SETPOINT
5890 Series II memory test
in progress.
STATUS
RUN
NOT
READY
ACTUAL SETPOINT
5890A Self-testing in
progress.
LEDs off, except possibly
" NOT READY."
STATUS
RUN
NOT
READY
ACTUAL SETPOINT
Message indicating normal
termination of diagnostic
tests after power restoration.
STATUS
User setpoints remain in
RUN
force.
LEDs off, except possibly
NOT
READY
" NOT READY."