Philips Trim 1 Service Manual

TroubleshootingRestarting the Cardiograph
PageWriter Trim Cardiograph Service Manual5-33
– If multiple static WEP keys are being used, the transmit key must be configured as the 
first WEP key. On the access point, the first WEP key must match the first key on the 
wireless adapter.
– If LEAP authentication is used, ensure that the LEAP credentials are enabled. For 
more information, See Enabling LEAP Credentials on page C-10.
For further information see the Cisco Aironet Wireless LAN Client Adapters...

TroubleshootingRestarting the Cardiograph
5-34PageWriter Trim Cardiograph Service Manual 

6
6-1
Chapter 6Performance Verification and
Safety Tests
This chapter describes the tests and inspections required to verify performance of the 
PageWriter Trim cardiograph following a service event.
Required Testing Levels
The Performance Verification Tests verify proper operation of the PageWriter Trim 
cardiograph following a service event. The level of testing required corresponds to the type of 
service performed. 
NOTEInstallation and preventive maintenance are not considered service events since...

Performance Verification and Safety TestsInternal Repairs
6-2PageWriter Trim Cardiograph Service Manual
„Barcode reader (For Trim II/III/Rx only)
„Smart Card reader (For Trim II/III/Rx only)
„Magnetic card reader (For Trim II/III/Rx only)
„Modem card (For Trim II/III/Rx only)
„USB memory stick (For Trim II/III/Rx only)
„Shielded LAN cable
„Cart 
„External cables
Refer to Table 6-1 for the required test blocks that must be performed after any external repair 
occurs.
Internal Repairs
If the case was...

Performance Verification and Safety TestsTest and Inspection Matrix
PageWriter Trim Cardiograph Service Manual6-3
Test and Inspection Matrix
The following Test and Inspection Matrix describes the various test blocks, expected test 
results, and what you need to document on the service record.  PIM Repair Internal repairs where the PIM 
case is opened.Perform Visual Inspection, Power 
On test, ECG simulation test, and 
safety test S3. 
Upgrades Software upgrades (via external 
PCMCIA slot)Perform Power On...

Performance Verification and Safety TestsTest Equipment
6-4PageWriter Trim Cardiograph Service Manual
Test Equipment
The following test equipment is required to perform the complete set of Performance 
Verification tests:
„ECG Simulator
„Electrical Safety Tester
„Software Support Kit (CF Card with PCMCIA Adapter). Order part number 
453563479701 through your Philips authorized service parts supplier. 
Performance Verification Tests
Visual Inspection (V)
1Before beginning the inspection, press the...

Performance Verification and Safety TestsPerformance Verification Tests
PageWriter Trim Cardiograph Service Manual6-5
– Mechanical damage
– Evidence of liquid spill
– Worn printer drive gear
– Worn printer roller
– Corroded or damaged reusable electrodes, if present
– Damaged patient leads
– Dirt/paper residue on the thermal print head
– Frayed or damaged wiring
– Visible LCD display damage
3Replace any damaged or missing items. 
4Clean the patient leads as necessary. See “Cleaning the PIM, Patient Data...

Performance Verification and Safety TestsPerformance Verification Tests
6-6PageWriter Trim Cardiograph Service Manual
Figure 6-2 Rebooting the Cardiograph (Trim I)
The following self-tests are automatically performed during reboot:
„RAM
„Software CRC Test
„Flash Memory: onboard CompactFlash (CF) 
„PIM Status
„Battery Voltage Test
„Printer Status
ECG Simulation (ECG)
Taking an ECG using a 12-lead ECG simulator allows you to verify areas of operation that the 
extended self-test cannot check:
„Integrity of...

Performance Verification and Safety TestsPerformance Verification Tests
PageWriter Trim Cardiograph Service Manual6-7
5If the ECG does not automatically print, press the Enter key ( ) to start printing.
Verify the following when printing is complete:
– Trace activity for all 12 leads. Confirms integrity for all patient electrodes and 
leadwires. Noise should measure less than one (1) mm, with no baseline wander.
– No gross distortion of complexes or calibration pulses (no overshoot, for example).
–...

Performance Verification and Safety TestsPerformance Verification Tests
6-8PageWriter Trim Cardiograph Service Manual
– Normal Condition with both AC line connections and earth ground intact:
<
 10 μA
– Single Fault Condition with separate open neutral and open earth, each in turn:
<
 50 μA
„Sink
Single Fault Condition with AC Mains voltage on Applied Parts (both AC line 
connections and earth ground intact).
<
50 μA