Patient Module And Patient Data Cable - HP PageWriter XL M1705B Service Manual

Table 6-3. Patient Module and Patient Data Cable
Symptom
Cause
Corrective Action
No display on patient module
Incorrect contrast adjustment.
Adjust contrast.
LCD M1700A & M1701A only.
Patient data cable or cable
Tighten if loose, replace if damaged or
connectors.
defective.
Defective patient module.
Replace patient tiodule.
Defective part on CPU assembly. Replace CPU assembly.
"Leads off' displayed on
Loose or defective patient data Check cable and connectors for damage.
preview screen, but patient cable, cable connectors. Tighten connectors as necessary.
module appears blank or
Replace damaged cable.
shows stars, blanks, and boxes.
Defective patient module. Replace patient module.
Defective part on CPU assembly. Replace CPU assembly.
Averaging in SAECG.
None (stars normally appear during
averaging).
"Leads off' not indicated when Dirty contacts on patient module for Ensure the contacts on the patient
wire is off.
leadwires.
module are clean and dry.
Defective patient module.
Replace patient module.
Defective or dirty leadwire.
Clean and switch to isolate defective
leadwire. Replace defective leadwire.
"Leads off' indicated when
wire is not off.
Poor electrode contact.
Improve patient preparation.
Defective leadwire.
Remove leadwire and install shorting
plug. If "leads off' isn't indicated,
replace leadwire; if "leads off' is
indicated, replace the patient module.
No response to start button
Cardiograph busy.
Verify cardiograph is not in
(M1700A & M1701A only).
configuration mode or busy.
Insufficient pressure on start butt,on. Push harder.
Defective patient module. Suspect
Replace patient module.
patient module if cardiograph starts
from front panel but not, from
patient module button.
Cardiograph is in SAECG mode
(start button is not active in this
mode).
None.
All "Leads Off' printed on a
ROM Software Defect.
Install A.O1.O1 (or later) Revision ROM.
copy of M1702A ECG. A.O1.OO
(M1702A only) Patient was disconnected before
copy button was pressed.
6-12 Troubleshooting