Welch Allyn CP 150 12-lead resting electrocardiograph v.1.00.XX - User Manual - Manual (Page 39)

• Chassis leakage current
• Earth leakage current
• Dielectric strength (AC and patient circuits)
Replacing the battery
Replace the battery under these circumstances:
•
It loses its charge quickly.
• You have charged it, and the electrocardiograph still does not turn on when
unplugged.
The first time that you press the power button after installing a new battery, the
electrocardiograph goes through some diagnostic tests that cause it to take longer than
usual to power up.
Discard the old battery appropriately. Contact your local authorities concerning recycling.
To replace the battery
Replacing the AC fuses
You might need to replace one or both of the AC fuses if the AC power indicator does
not light up when the electrocardiograph is connected to AC power.
Directions for use Maintenance 35