Chapter 8: Troubleshooting/Codes/Messages
33373-001 Version A
8.5 Battery Performance Test Troubleshooting
Ventilator does not pass the battery
performance test.
Battery capacity has diminished and cannot
hold a charge.
Replace the batteries P/N 21542
Ventilator DC status light shows green light,
but does not run on batteries for more than a
short time.
1. Batteries are not holding charge.
2. Battery charge monitor lost its memory.
1. Check batteries for capacity level. Chapter
9 Q & A
2. Reset Battery Charge Circuit. See Chapter
7 Step 2.4
Ventilator DC status light shows green light
when AC is disconnected it runs for short
time but gets a “Battery Low” message and it
can be cleared by pressing reset, only to
return within minutes, vent runs for hours
1. Battery Charge Monitor lost it’s memory
1. Reset Battery Charge Circuit. See Chapter
7 Step 2.4
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