Mortara H12+ - Troubleshooting

H12
6-8
Required Safety Test for Printed Circuit Boards
NOTE: Any component replacement to PCB assembly, requires a High Voltage Test and it is recommended that the unit be sent
back to Mortara Service Department for repair and testing.
Troubleshooting
Trouble Symptoms
Diagnosis
Blank Display
Check battery.
Measure battery voltage, should be 1.5 VDC.
Clean battery contacts.
Check for damaged contacts
Unit Displays Leadfail
Check patient cable.
Check input connector pins, if pins are bent or pushed
in, replace connector. Use extra care to
remove/replace connector to prevent damage to
printed circuit board
Unit Display LCD Damaged
Replace LCD.
Keys inoperative
Replace Keypad.
Noisy waveform or no waveform - Bent pins
on patient cable interface connector
Contact Mortara Service Department at 1-888-
MORTARA (667-8272).
Noisy waveform or no waveform - Poor
signal from electrode
Verify good prep before placing electrodes on patient.
Verify electrodes are good (not beyond expiration date).
Perform lead check test.