Philips M3921A Service Manual page 147

pneumatic assembly
removal from main PCB, 77
processing, 129
pump
removal
A1 series models, 75
sensor
error
A1 series models, 55
A3 series models, 56
test, 44
test screen, 44
Notes, 1
Null-modem cable, 3
Nurse call, 27
and RS-232 pin voltages, 115
O
Operational performance
troubleshooting, 50, 61
Over-pressure. See Pneumatic
system
P
Packing
for shipment, 113
repacking
in different carton, 113
in original carton, 113
Passcode
in power-up defaults menu, 37
Patient connector
test cables for, 34
Patient leakage current, 34
mains voltage on applied part, 35
values, 35
Patient PCB connector
separating from connector
panel, 78
PCB
replacement level support, 49
Performance tests, 11–29
battery, 12
general operation, 27
hardware and software, 14
optional A1 printer
verification, 29
pneumatic system
verification, 20–25
power-on self-test, 13
RS-232 interface, 27
serial interface, 27
SpO testing, 14
2
Performance verification, 7–36
equipment required, 10
Phone support/service
for training, 117
Pinouts
RS-232 interface connections, 115
Pneumatic leakage. See
Pneumatic system
Pneumatic system
basic leakage test, 20
deflation rate test, 25
inflation rate test, 24
over-pressure test, 24
pneumatic leakage test, 23
pressure transducer accuracy, 22
verification of, 20
Power
cords, 110
external supply problems, 51
system description, 125
troubleshooting, 50
A1 series models, 51
A3 series models, 53
Power supply
assembly
disassembly
A3 series models, 88
removal
A3 series models, 88
spare parts
A1 series models, 110
A3 series models, 110
checking fuses
A3 series models, 53
external unit
problems
A1 series models, 51
troubleshooting
A1 series models, 55
A3 series models, 53, 57
Power-on self-test, 13
boot sequence, 13
Power-up defaults
configuring settings, 37
Index
explanation, 37
Power-up defaults menu, 37–39
adult/neonatal mode, 38
alarm silence period, 38
alarm suspend, 38
auto-set limits, 38
choices explained, 37, 38
entering diagnostic mode, 39
language selection, 39
passcode, 37
permanent audible alarm silent, 38
purpose, 37
Pressure transducer
accuracy test, 22
Preventive maintenance
training, 134
training for, 117
Printer
optional for A1 series models, 29
verification, 29
R
Rear case assembly
disassembling. See Disassembly
procedures
gasket
A1 series models, 69
A3 series models, 80
separation from front
A1 series models, 68
A3 series models, 81
Recorder
battery operation, 3
communication with monitor, 3
connecting to monitor, 54
description, 3
error log printout, 54
external power supply, 3
linked indicator, 3
mode, 54
null-modem cable, 3
on-time, 42
optional module (A3), 127
removal, 80
A3 series models, 86
standalone (A1)
connect to RS-232, 119
troubleshooting, 61
Reference