Instruction Manual
16
ALARM / INDICATORS / TROUBLESHOOTING
PM4150
Visual Indicator/
Problem
Audible Alarm Probable Cause
Remedy
Red alarm indicator
is illuminated, unit
is not running and
setting numbers 1 &
3 are flashing
Repetitive beep Internal battery
is outside its
operating
temperature range
1. Turn o the POC and disconnect any
power supplies
2. Check that the inlet filter is clean
3. Ensure inlet and exhaust vents are
not blocked in any way
4. Verify you are operating the POC
within the specified operating
temperature range.
5. It may be necessary to allow the POC
to warm up or cool before turning
back “ON”
Red alarm indicator
is illuminated, unit
is not running and
setting numbers 1 &
4 are flashing
Repetitive beep Motor is above its
maximum operating
temperature
1. Turn o the POC
2. Check that the inlet filter is clean
3. Ensure inlet and exhaust vents are
not blocked in any way
4. Verify you are operating the POC
within the specified operating
temperature range
5. It may be necessary to allow the POC
to cool before turning back “ON”
Red alarm indicator
is illuminated, unit
is not running and
setting numbers 1 &
5 are flashing
Repetitive beep Pressure outside of
normal operation
1. Select the “OFF” position
2. Select the prescribed setting
3. If alarm persists, change to alternate
oxygen source and contact your
Equipment Provider
Red alarm indicator
is illuminated, unit
is not running and
setting numbers 2 &
3 are flashing
Repetitive beep Fan malfunction 1. Select the “OFF” position
2. Select the prescribed setting
3. If alarm persists, change to alternate
oxygen source and contact your
Equipment Provider
Red alarm indicator
is illuminated, unit
is not running and
setting numbers 2 &
4 are flashing
Repetitive beep Failed electrical
connection
1. Select the “OFF” position
2. Select the prescribed setting
3. If alarm persists, change to alternate
oxygen source and contact your
Equipment Provider
Amber alarm
indicator is flashing
and unit is running
NA Service Needed 1. Continue to use POC
2. Contact Equipment Provider
Red alarm indicator
is flashing and unit is
running
NA Service Needed 1. Switch to another source of oxygen
2. Contact Equipment Provider
Red Alarm and 3 &
4 Setting Numbers
Illuminated and
device Shuts Down
Single Beep Cannula Occluded/
Kinked
1. Ensure the Cannula and/or Outlet are
Not Blocked
2. Select the “OFF” position and wait at
least 15 seconds.
3. Select the prescribed Setting
4. If Alarm persists, change to alternate
Oxygen source and Contact your
Equipment Provider.
Confirming Alarms & Signals
Connect device into AC or DC source.
All lights will illuminate momentarily with an audible beep.
Note: Alarm conditions are determined after a preset non adjustable
value has been exceeded.