LIFEPAK 20/20e Defibrillator/Monitor
Troubleshooting
Service Code Table
(continued)
(Continued on next page)
Code
Service Code Description
Corrective Action
9c08
Therapy ROM cyclic redundancy check (CRC) failed
1. Reload the device software*
2. Replace the A04 Therapy PCB
9c09
Therapy RAM pattern write test failed
Replace the A04 Therapy PCB
9c0a
Therapy relay idle coil voltage out of range
Replace the A04 Therapy PCB
9c0b
Therapy relay enabled coil voltage out of range (5 ms)
Replace the A04 Therapy PCB
9c0c
Therapy relay enabled coil voltage out of range (100
ms)
Replace the A04 Therapy PCB
9c0d
Therapy relay drive enabled coil voltage out of range
Replace the A04 Therapy PCB
9c0f
Therapy/power assembly communication error
1. Check power module 26-pin ribbon cable to
J16 or A04 Therapy PCB
2. Replace the A03 Power module
3. Replace the A04 Therapy PCB
9c11
Capacitor Dump failed
Replace the A04 Therapy PCB
9c12
Therapy PCB 5 V out of range
Replace the A04 Therapy PCB
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