Checks Before Opening The Instrument; Checks With The Instrument Switched On, Ac Connected; Checks With The Instrument Switched On, Ac Connected, With Battery; Individual Parameter Inops - Philips Avalon FM20 Service Manual

8 Troubleshooting

Checks Before Opening the Instrument

You can isolate many problems by observing indicators on the instrument before it is necessary to
open the instrument.

Checks with the Instrument Switched On, AC Connected

The green power LED lights for about 1.5 seconds after switching on, and then goes out, and remains
unlit doing normal operation. The location of the green LED is shown in the following photograph:

Checks with the Instrument switched On, AC Connected, with Battery

This section applies to monitors with FM20/FM30 battery option #E25 only). When the monitor is
connected to AC power via the M8023A External Power Supply, the battery LED is either green or
yellow. Green means battery power is >90%. Yellow means the battery is charging (battery power
<90%).

Individual Parameter INOPs

If you see any of the following parameter INOPs:
DFHR1 Equip Malf
DFHR2 Equip Malf
DFHR3 Equip Malf
MECG Equip Malf
FetRec Equip Malf
FHR1 Equip Malf
FHR2 Equip Malf
FHR3 Equip Malf
try exchanging the relevant component (transducer, sensor, patient module, or board) with a known
good replacement, following the procedures in "Repair and Disassembly" on page 139. Check to see if
the INOP disappears, and that you can measure the parameter in question normally. If the INOP
persists, swap back the original component and continue troubleshooting as directed in this chapter.
If you see the
firmware in the bus master board is incompatible with the new software. Check the firmware revision,
and upgrade this if necessary with the Support Tool. Contact Philips support for more information
regarding software and firmware revisions.
108
INOP following a monitor software upgrade, it is likely that the
Bus Master Malfunc
IUP Equip Malf
NBP Equip Malf
Bus Master Malfunc
SpO₂ Equip Malf
SpO₂ Sensor Malf
Toco Equip Malf