HP PageWriter XL M1705B Service Manual page 136

Table 6-3. Patient Module and Patient Data Cable (continued)
Symptom Cause Corrective Action
Bad ECG:
Good calibration pulse in
Faulty operator technique; poor
Refer to Table 6-l in user's manual.
channel(s) where trace(s)
electrode contact.
is(are) not good.
Defective leadwires. Isolate defective leadwires and replace.
Defective patient module.
Replace patient module.
A lead is missing-dotted line
Faulty operator technique; poor
Refer to Table 6-l in user's manual.
on trace. electrode contact.
Defective leadwires. Isolate defective leadwires and replace.
Defective patient module. Replace patient module.
Noisy lead(s): "AC" (regular Faulty operator technique; poor Refer to Table 6-1 in user's manual.
pattern)-for 60 Hz, 12
electrode contact.
peaks/5 mm at 25 mm/set; for
50 Hz, 10 peaks/5 mm.
Pat,ient or patient module cable near Reposition patient module cable. Try
AC power.
plugging cardiograph into AC outlet.
Noisy lead(s): Muscle artifact.
Patient is not relaxed or skin has
Refer to Table 6-1 in user's manual.
been irritated.
Low quality disposable electrodes,
Replace disposable electrodes or
leadwire adapters. leadwire adapters.
Test with ECG simulator. Replace
defective leadwire( If none defective,
replace patient module.
Noisy lead(s): I, III, aVL
Noisy lead(s): II, III, aVF
Noisy lead(s): I, II, aVR
Noise in only one V lead.
Noise in general.
LA leadwire defective.
LL leadwire defective.
RA leadwire defective.
Faulty operator technique; poor
electrode contact.
Defective leadwires.
Faulty operator technique; poor
electrode contact.
Defective leadwires.
Replace LA leadwire.
Replace LL leadwire.
Replace RA leadwire.
Refer to Table 6-l in user's manual.
Isolate defective leadwires and replace.
Refer to Table 6-1 in user's manual.
Isolate defective leadwires and replace.
Troubleshooting 6-13