Welch Allyn CP 150 - Symptoms and Solutions

Symptoms and solutions
System problems:
Symptom Possible cause Suggested action
The electrocardiograph does not power
up when it is plugged into AC power
and the AC power LED is not lit
There is no AC power Check the AC fuses.
AC fuse is blown Check the AC fuses.
Loose, disconnected, or faulty switch
power flex
Reseat or replace the switch power
flex.
Faulty or disconnected 60W power
supply
Reseat or replaced the PSU-BAT
harness
CP150-0025.
Replace the 60W power supply.
The electrocardiograph does not power
up when it is plugged into AC power
and the AC power LED is lit
LCD screen is faulty Replace the 7 inch display assembly.
Loose or faulty flex SMCE-LCD Reseat the flex SMCE-LCD at SMCE or
replace the flex SMCE-LCD.
I/O board harness has a loose
connection or is faulty
Reseat or replace the I/O harness.
I/O board is faulty Replace the I/O board.
The electrocardiograph does not power
up when it is unplugged
The battery power is low Charge the battery.
The battery is disconnected Check the battery connections.
The battery is not charging, is depleted,
or is faulty
Replace the battery.
The battery will not charge or the
battery status displays a disconnected
battery
Faulty battery Replace the battery.
Damaged pins on the battery
connection point
Replace the battery case assembly.
Smart bus harness has a loose
connection or is faulty
Reseat or replace the harness.
When connected to AC power and with
the battery installed, the battery status
displays a faulty battery
Faulty battery Replace the battery.
The electrocardiograph prints fewer
than 10 reports on a full battery charge
The battery is degraded Replace the battery.
While powered-on, the
electrocardiograph does not respond
when you touch the screen
The electrocardiograph cannot perform
an immediate action because the
software is unresponsive.
Reset the electrocardiograph by
pressing and holding the power button
for at least six seconds until the screen
goes blank. Press the power button
again to restart.
62 Troubleshooting CP 150 12-lead resting electrocardiograph