PROBABLE CAUSE
MALFUNCTION
CORRECTIVE ACTION
16.2.6. Unit reaches full
1. Paddle set.
Substitute with good component.
charge but does
Repair or replace.
not fire.
2. U15, U14.
Pin 3 should pulse when fire
buttons are depressed.
Replace faulty component.
16.2.7. Unit fires
1. Paddle set.
Substitute with good component.
but fails to deliver
Repair or replace.
energy.
2. Delivered energy
Fire into external test. Check
meter not functioning.
delivered energy board.
3. CR42, CR43.
Check with ohm meter. Replace
faulty components.
16.2.8. Unit delivers
1. Delivered energy
Check with external tester.
incorrect energy.
meter.
Replace faulty component.
Caution: Voltages
present inside
2. High voltage
Put Hv meter on J1 pins 1 and 3.
the unit are lethal.
regulation.
At 360 w/sec, voltage should be
U10, CR31, SW5,
1350v 10v. Replace faulty
U16, CR58, CR32.
component.
3. CR62, U11, U10
Check by substituting with good
and associated
component. Replace faulty
components.
components.
Figure 2-4. Defibrillator troubleshooting guide (continued).
MD0362
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