CORRECTIVE ACTION
PROBABLE CAUSE
MALFUNCTION
16.2.9. Unit fails to fire
1. No QRS recognition.
Make sure a good QRS is
in sync mode.
present and rate meter is
counting. See monitor
troubleshooting guide.
2. Monitor not seated
Visual inspection. Reseat
properly on defib or
monitor. Repair or replace
connector damaged.
damaged connector.
3. Synchronizer circuit
Sync relay should latch when
not latching relay
button pushed. Troubleshoot
K3. Check
sync circuit and repair as
associated
required.
components.
16.2.10. Paddle pickup
1. Paddle set.
Substitute with good component.
not functioning.
Repair or replace.
2. Missing 12 or
Check as required for proper
6v Q4, Q5, T2,
supply voltages on U46.
CR82, CR95, CR83,
Replace faulty component.
L4, L5, CR86, CR87, or
broken pin 3 on rear
connector.
3. U45, U46.
Inject 2 Mv signal into paddles
check output on pin3.
Should be 1v.
Replace faulty
component.
Figure 2-4. Defibrillator troubleshooting guide (concluded).
c. Locate the Cause of the Malfunction (Example 2). SYMPTOM: After
charging the defibrillator for 16 hours, the unit still will not work on battery power.
However, it works fine while plugged into an ac outlet.
(1) Identify malfunction (column 1). Notice that a similar problem exists in
section 16.1.14 (Battery not holding charge).
MD0362
2-47
Previous Page
