Service manual

Ultraview 1030/1050 Monitors — Service Manual
5-25
Troubleshooting
Capnography Troubleshooting
The capnograph option requires the following supportive equipment:
• AC/DC power supply, P/N 119-0251-01
Problem Solving
Before you begin troubleshooting procedures, first establish that there is a fault with the
parameter. Refer to your operators manual for specific information on parameter operation.
Diagnostic LEDs
The capnography software contains diagnostic tests for various sections of the microprocessor
circuitry. If a problem is found, a code is displayed on LEDs D1, D2 and D3 that indicates where
the problem is occurring. These LEDs are found on the CO
2
/SDLC Capnography PCBA
(P/N 670-0775-50).
60 Manual re-init seen RCKEYP
69 Printer error during initialization RCINIT
C0 Unload state error - Invalid state RCUNLD
A1
Already printing when another print command
received
RCREC1
Table 3: LED Diagnostic Codes
D1 D2 D3 Problem
111
Improper boot if the LEDs do
not go out. Correct boot if
LEDs momentarily go out.
0 1 1 UART error
101RAM error
110ROM error
111
CPU, utility register, or
watchdog timeout error
1 = ON and 0 = OFF
Table 2: Recorder Error Codes (continued)
Error
Code
(hex)
Failed Assembly or Likely Cause Program Modules