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78
Mobil-O-Graph
®
, operating instructions, Rev. 5.1 10/2015, GmbH
6. Troubleshooting
6
Error symptom
Possible cause
Remedy
The connection from the Mobil-O-
Graph
®
to the PC is faulty.
1. The incorrect COM interface is
set.
1. Set the correct interface in the
utilities program.
2. The cable plug or port is defec-
tive.
2. Examine the plug and socket
on the Mobil-O-Graph
®
. Make
sure that the pins are straight,
so that contact is assured.
3. The Mobil-O-Graph
®
is not
in transfer mode (the time is
shown on the display).
3. Switch the Mobil-O-Graph
®
off and then on again, without
removing the connector cable.
The patient ID number is missing.
The monitor is not initialised, i.e.
the patient ID number has not been
transmitted during preparation for a
24-hour monitoring session.
The patient ID number can still
be transferred after the measure-
ment. The data obtained will not be
affected.
No measurements were carried out
during the night phase.
1. The batteries were drained
prematurely.
1. The rechargeable batteries
may be defective (please con-
tact your dealer).
2. The patient switched off the
Mobil-O-Graph
®
.
2. Alert the patient to the urgen-
cy of obtaining a complete 24-
hour recording.
The message
co
(or
bt
) does not
appear on the display.
You are not in transfer mode.
1. Communication via cable:
Switch the Mobil-O-Graph
®
off and then on again, without
pulling out the plug.
2. Communication via IR:
Press and hold Start again,
and press Day/Night. Use Start
to select
co
.
3. Communication via BT:
Press and hold Start again,
and press Day/Night. Use Start
to select
bt
.
No automatic measurements are
performed.
1. No manual measurement was
performed after putting on the
equipment.
1. After putting on the equipment
a successful measurement
must always be performed
manually (see 3.4.6,
Putting on
the monitor and starting meas-
urement
).
2. Incorrect protocol set.
2. Set Protocol 1 or 2 (see 3.4.5,
Specifying the measurement
protocol required and 4.8.1,
Setting the measurement pro-
tocol
).
The measurement interval is not as
you expected.
1. Incorrect protocol set.
1. The programmed protocol
is not the protocol set in the
Mobil-O-Graph
®
. Check the
protocol manually (see 3.4.5,
Specifying the measurement
protocol required
).
2. No manual measurement was
performed after putting on the
equipment.
2. Perform a manual measure-
ment to activate the set proto-
col.
Err 1
1. The patient has severe arrhyth-
mia
1. Monitor not applicable
2. The arm was moved during the
measurement
2. Keep the arm still during mea-
surement.
3. Not enough valid heartbeats
detected
3. Re-fit the cuff
Err 2
1. The arm was moved during the
measurement
1. Keep the arm still during meas-
urement.
2. Cuff not fitted correctly on the
arm
2. Check the fit of the cuff and the
monitor
6.5.1