RF Troubleshooting Procedures
26
3. If the frequencies are set properly, use the
Telemetry Service Tool or Wave Viewer to check
the transmitter information. Refer to
NO SIGNAL
INOP and an RF OUT OF LOCK INOP at
Telemetry Service Tool or Wave Viewer
.
4. Make certain that the patient is in the antenna
coverage area.
5. Check if the leadset is attached (the leadset is the
broadcast antenna). Leadset wires must be
shielded. The RF connection is made only to the
shields.
6. The transmitter is not transmitting a signal. This
can be a result of a dead battery or a power supply
failure within the transmitter. To determine if this
is the problem, remove one of the leads from the
patient and see if the corresponding Leads Off LED
illuminates. If it does, proceed to
Step 7
. If it does
not, do the following:
a. Make certain that the battery is installed properly.
b. Replace the battery with a fresh one.
c. If an ECG and SpO
2
capable transmitter is being
used (even if SpO
2
is not being monitored) make
certain that a lithium or alkaline battery is being
used). A zinc-air battery cannot be used with an
ECG and SpO
2
capable transmitter. To check if the
SpO
2
option is installed in the transmitter, look in
the battery compartment. The option string “1SP”
indicates that the SpO
2
option is installed.
d. Open the transmitter and make sure that the RF
Cable is connected to the Front End Assembly and
to the Main PCB. If not, connect it properly using
the RF Cable seating tool following the procedures
for installing the RF Cable in
Chapter 6
of the
Service and Reference Guide
.
e. Replace the Main PCB in the transmitter.
quickref.fm Page 26 Wednesday, June 5, 2002 3:08 PM
