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Error Codes; Generating An Error Log Printout (a1 Only) - Philips M3921A Service Manual

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Error Codes

Generating an Error Log Printout (A1 only)

Chapter 5 - Troubleshooting
Condition
2. The A3 turns on,
then shuts off and
sounds an alarm
and no error code is
displayed.
When the monitor detects an error condition, the monitor shows an error code
on the display screen. If such an error occurs during monitoring operation, an
audible alarm tone also sounds. Press the
terminate the audible alarm tone.
When an error code appears on the display, a number in hexadecimal
representation indicates the nature of the error. Additionally, Diagnostic Mode
can be used to gain access to an error code record, stored in nonvolatile
memory, of the last 10 error codes encountered by the monitor. See Chapter 4
for further details on Diagnostic Mode.
Each error code corresponds to a particular problem in the monitor.
Recommended actions to take when an error code is encountered are listed in
the sections that follow.
As an aid to troubleshooting, the A1 provides the capability for technicians to
print out a copy of the error log.
1. Connect the recorder to the monitor, and its power supply to an
appropriate source. Refer to the operator's manual.
2. Use the
button
SETUP
Recorder mode is the selected option for the Communications Selection
item. (It is the factory-set default value.)
3. Turn monitor power OFF.
Recommended Action
1. Press Alarm Silence switch to terminate audible
alarm. Ensure AC power cord is connected and green
BATTERY CHARGING/AC SOURCE indicator is lit,
or ensure DC source is connected and green
BATTERY CHARGING/DC SOURCE is lit. If monitor
operates successfully, battery can be discharged.
2. Recharge the battery as directed in "Battery Charge"
on page 11. If the battery fails to hold a charge,
replace the battery.
3. If the problem persists, replace the main PCB.
4. If the problem persists, replace the power supply
assembly.
ALARM SILENCE
and displayed menu to verify that the
Troubleshooting Guide
button
to
51

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