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Battery charger monitoring station (continued)
2/Messages and Troubleshooting
Condition
Cause(s)
Recommended action(s)
Green LED power
indicator is not lit. Unit
is not functioning.
Monitoring station is not connected to
AC power.
Fuse(s) are blown.
Voltage selection drum in the power
module is not set for correct voltage.
Damaged contacts.
Ensure that the power cord is
plugged into the monitoring station
and the AC power source.
Replace the fuse(s) in the power
intet module.
Refer to the Battery
Charger Monitoring Station Service
Manual.
Remove the voltage selection drum
and set correctly.
Refer to the
Battery Charger Monitoring Station
Service Manual.
Inspect the contacts.
If the fuses, voltage selection
setting, and contacts are not
causing the condition, open the
charger and troubleshoot from
inside. Refer to the Battery Charger
Monitoring Station Service Manual.
Charger is functioning
but slot not charging or
conditioning as
expected.
Damaged contacts.
If the LED stays at steady yellow when
charging batteries, the battery pack
may already be fully charged.
When conditioning batteries and the
LEDs don't go to flashing yellow, the
conditioning switch may be faulty.
Inspect the contacts. All four
prongs should protrude equally.
If
not, replace the contacts.
Refer to
the Battery Charger Monitoring
Station Service Manual.
No action is required.
Replace the conditioning switch.
Refer to the Battery Charger
Monitoring Station Service Manual.
Charger is not
functioning at all.
Fuse(s) are blown.
Voltage selection drum in the power
module is not set for correct voltage.
Damaged contacts.
Replace the fuse(s) in the power
inlet module.
Refer to the Battery
Charger Monitoring Station Service
Manual.
Remove the voltage selection drum
and set correctly.
Refer to the
Battery Charger Monitoring Station
Service Manual.
Inspect the contacts.
If the fuses, voltage selection
setting, and contacts are not
causing the condition, open the
charger and troubleshoot from
inside. Refer to the Battery Charger
Monitoring Station Service Manual.
3770/3775 Pulse Oximeter Service Manual
2-7
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