Diagnostics; Preparations For Running The Diagnostics; Initial Power-Up Test; Non-Volatile Memory Test - Keithley 7001 Instruction Manual

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Maintenance
dle will lock in three positions: fully retracted
under the instrument, plus 90° and 180° from this
position.
CAUTION
The handle parks over the top sur-
face of the case. Do not attempt to car-
ry the instrument by the handle
when the handle is in this position.
The handle may accidently come
free, allowing the instrument to fall
and be damaged.
7.6

Diagnostics

The Model 7001 includes a series of on-board diagnos-
tic tests which may be invoked through the front panel
and performed without any disassembly of the instru-
ment. These diagnostics will help verify functionality
of the Model 7001, and will assist you in isolating prob-
lems to the board level.
7.6.1 Preparations for running the
diagnostics
Before running the diagnostic tests:
1. Power down the Model 7001.
2. Disconnect the IEEE-488 cable and any BNC or
trigger cables from the rear panel.
3. Remove any cards which may be plugged into the
backplane. (Note that card removal is not neces-
sary for the non-volatile memory test.)
NOTE
Some tests, notably the IEEE-488 inter-
face tests, may incorrectly indicate a
failure if run with cables connected.

7.6.2 Initial power-up test

Install a line cord and apply power. The Model 7001
should sequence through ROM revision levels, IEEE-
488 address and card conÞgurations as described in the
operating sections of this manual.
7-8
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On power-up, the Model 7001 will show "#1 = NONE
#2 = NONE" indicating that no cards are installed in ei-
ther card slot.
NOTE
If Model 705/706 cards had been pre-
viously programmed in the Model
7001, the power-up message will still
show them present.

7.6.3 Non-volatile memory test

1. Press CARD CONFIGURATION.
2. Under the CARD CONFIG MENU, select TYPE
and press ENTER.
3. Under the SET CARD TYPE menu, select SLOT-1
and press ENTER.
4. Press the
or
cursor keys until the display
shows:
SLOT-1 CARD: 9990
then press ENTER.
5. Press the EXIT key until the display shows SE-
LECT CHANNELS. This programs the setup
memory for a generic 40-channel scanner card
(9990).
6. Press the SCAN LIST key.
7. Press the CLEAR LIST key.
8. Press "1", "1", ENTER. The display should show:
SCAN-CHANNELS 1!1,
This programs a scan list which should be retained in
battery backed up RAM. After programming setups,
the Model 7001 must retain these assignments when
power is switched off, or until reprogrammed.
9. Turn off power and wait a few minutes.
10. Turn on power. Verify "#1 = 9990" in the power-up
display.
11. Press SCAN LIST. Verify:
SCAN CHANNELS 1!1,

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