GE Corometrics 250 Series Service Manual page 186

PROBLEM
NIBP START/STOP
MARK [OFFSET]
FAST
5-44
Troubleshooting: System Troubleshooting
250 SERIES SERVICE & TROUBLE SHOOTING
SUBASSEMBLY
SYSTEM POWER SUPPLY
MAIN BOARD
DSP BOARD
FAN
HOSES
DSP TO UI KEYPAD CABLE
UI KEYPAD BOARD
PNEUMATICS BOARD (PUMP &
VALVES)
MAIN BOARD
SYSTEM POWER SUPPLY
DSP BOARD
FAN
SYSTEM POWER SUPPLY
MAIN BOARD
FAN
MAIN BOARD
SYSTEM POWER SUPPLY
FAN
250 Series Maternal/Fetal Monitor
2020551-001
COMMENTS
Communicates with Keypad
Front Panel Keypad signals routed through DSP
PWA
Secondary cause from overheating
To front panel, Pneumatics to main
(blank)
Would affect all buttons on front panel
Could affect NIBP Start/Stop button
(blank)
Can cause failures due to overheating
Would affect all buttons on front panel
Pump, valves, hoses
Affects all front panel functions
To front panel, Pneumatics to main
Affects all front panel functions
Would affect all buttons on front panel
Pump, valves, hoses
Communicates with keypad
Front panel keypad routed through DSP board
Secondary failure due to overheating only
Receives mark from rear panel
Secondary failure due to overheating only
Receives FAST signal from Rear Panel
Secondary failure due to overheating only
Revision D