Philips M3921A Service Manual page 146

Error codes, 40
and audible alarm tone, 53
hex codes, 55, 56
hexadecimal representation, 53
other, 58
general categories, 58
serviceable hardware
A1 series models, 54
A3 series models, 56
Error log
printout, 54
Error messages
troubleshooting, 50
Exchange unit
part numbers
A1 series models, 112
A3 series models, 112
F
Factory settings
restoring, 46
Flash memory, 55
Foot cushions
removal
A1 series models, 76
FPGA, 121
Front case assembly
disassembling. See Disassembly
procedures
main PCB removal
A1 series models, 70
A3 series models, 82
separation from rear
A1 series models, 68
A3 series models, 80
Functional checks
periodic, 5
Fuses
F301, 52
power supply assembly, 53
removal
A3 series models, 88
G
Ground integrity tests, 30
H
Handle
removal, 79
A1 series models, 76
A3 series models, 79
Hardware and software tests, 14
general operation, 27
operation with ECG simulator, 18
printer verification (A1), 29
respiration simulator, 19
SpO testing, 14
2
temperature simulator, 26
Hex codes. See Error codes
I
Inflation rate. See Pneumatic
system
J
Jumpers
main PCB configuration
A1 series models, 108
K
Keypad
removal
A1 series models, 74
switches, 125
L
Labels, 5
LCD
assembly removal, 72
backlight
on-time, 42
display, 125
backplate, 84
removal
A1 series models, 72
A3 series models, 84
LCD display
avoiding damage to, 72
Index
window removal, 72
LED excitation test, 17
M
Main PCB
checking fuse F301, 52
disassembly, 77
jumper configuration
A1 series models, 108
removal of NIBP assembly
from, 77
removing from front case
assembly, 70
separating patient connector PCB
from, 77
Maintenance
cleaning, 5
periodic checks, 5
preventive, 134
Memory, 125
Menu
power-up defaults, 37
Microcontroller, 121
Microprocessor, 125
Miscellaneous parts, 110
Monitor
algorithms, 133
applications, 133
cleaning, 5
common use models, 119
connecting to recorder, 54
description, 2
main assemblies. See Front and
rear case assembly
on-time, 41
operational environments, 2
purpose and function, 2
repairing, 120
testing with temperature
simulator, 26
N
Navigation wheel, 126
Neonatal mode, 38
NIBP
front end, 125