GE 325 Product Manual page 51

SECTION 6
GENERAL 5. Connect a jumper between TP1 (TEST) and TPS (DGNC)
. . on the CPU and Power Supply Board (No. 7093).
If you suspect a problem with the Model 325 Simulator:
1. First verify proper operation of the monitor being NOTE: The jumper must remain connected throughout
tested—use transducers and the monitor's self-test the entire test.
procedure. Refer to the operator's manual and service
manual of the maternal/fetal monitor. 6. Locate the red LED (DS1) on the CPU and Power
. o. o . Supply Board. The LED is positioned at the top of the
2. Verify continuity of each wire in the interconnect cable board midway between the center and the far right.
assembly. Refer to the cable wiring diagram
(14212TAB) on page 9-19.
7. Re-attach the AC power cord and turn on the Model 325
3. Perform a Model 325 Simulator self-test procedure, Simulator.
described below. 8. Observe the red LED (DS1). The LED illuminates
. . continuously for ten seconds and then flashes on and off.
4.. Refer to Table 6-1 for a list of problems which may be The simulator has passed the test if the LED flashes at
caused by improper settings of the controls. least twenty seconds and continues to flash until either
: the jumper is removed or the simulator is turned off.
SIMULATOR SELF-TEST PROCEDURE The simulator has failed the self-test if the LED stops
flashing after twenty seconds. Failure of the self-test
1. Turn off the Model 325 Simulator and remove the AC indicates a problem with the microprocessor, random-
line cord from the simulator. access memory (RAM), read only memory (ROM), or
2. Disconnect the simulator from the maternaVfetal monitor timer.
under test. 9. Turn off the Model 325 Simulator and remove the AC
3. Turn the simulator upside down and locate the four line cord from the simulator.
screws which secure the top cover to the bottom. Use a 10. Re-assemble the two halves of the simulator, replace the
Phillips screwdriver to remove them.
4. Gently separate the top and bottom halves of the
simulator by sliding the top cover toward the rear and
lifting it up. The CPU and Power Supply Board (No.
7093) remains mounted to the base of the simulator; the
Analog Switch Board (No. 14118) is attached to the top
cover. The two boards are connected by a ribbon cable.
top cover, and secure with all four screws.
6-2 * Troubleshooting