9.1 Alarms. Lowenstein Medical prisma20A, prisma25S, prisma20C, prisma25ST, prisma30ST, prismaCR, prismaLAB, prisma25S-C

9 Alarms and error messages

9 Alarms and error messages

If you are not able to clear an error message with the aid of the table below, or in the event of unexpected operation or an incident, you should have the device repaired by the manufacturer or your authorized dealer. To avoid serious damage, do not continue using the device.

9.1 Alarms

Alarms can be categorized into three priority levels (low, medium, high). This device only has low-priority alarms, which are indicated by the symbol .

9.1.1 Alarm messages

ALARM MESSAGE CAUSE REMEDY

Pressure build-up not possible!

Please connect the mask and hose.

No respiration hose and/or mask connected.

Connect the mask and respiration hose correctly

"4.2.1 Connecting up the respiration hose", page  

(see

21) .

High Leak!

Please check the mask fit.

Mask has slipped or is not tight.

Reposition mask. If the mask is faulty, exchange it.

Apnea! Please check the ventilation settings and the course of the respiration hose.

Low tidal volume!

Please check the ventilation settings and the course of the respiration hose.

The respiratory volume output by the device is lower than the target value.

The respiratory volume output by the device is lower than the target value.

Check that the respiration hose is neither blocked nor kinked.

Reposition the mask and breathe through it.

If the alarm continues to show:

Have the settings checked by the attending physician.

Check that the respiration hose is neither blocked nor kinked.

Reposition the mask and breathe through it.

If the alarm continues to show:

Have the settings checked by the attending physician.

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9 Alarms and error messages

ALARM MESSAGE CAUSE

Low minute volume!

Please check the ventilation settings and the course of the respiration hose.

The respiratory volume output by the device is lower than the target value.

REMEDY

Check that the respiration hose is neither blocked nor kinked.

Reposition the mask and breathe through it.

If the alarm continues to show:

Have the settings checked by the attending physician.

9.1.2 Muting the alarm

If an alarm sounds, you can mute the audible alarm for 2 minutes.

Requirement

An alarm has been triggered.

.

1. Press the mute symbol .

The alarm is muted for 2 minutes. The symbol turns orange. After 2 minutes, the audible alarm sounds again.

If your physician has activated this function, you can also deactivate the High Leak

alarm permanently (see "6.4 Setting device parameters", page   40) .

9.1.3 Pausing the alarm

If an alarm sounds, you can pause the alarm for 2 minutes to operate the device normally in the meantime.

Requirement

The Apnea, Low minute volume, or Low tidal volume alarm has been triggered.

1. Press the PAUSE field.

The alarm is paused for 2 minutes. The symbol appears in the status line. After

2 minutes, the audible alarm sounds again.

If your physician has activated this function, you can also deactivate the High Leak

alarm permanently (see "6.4 Setting device parameters", page   40) .