7-5
Chapter 7 Troubleshooting
Hardware Trouble
Trouble during Operation
ECG Data
LCD
bl5960
Symptom
Possible Cause
Malfunctioning Part
Solution
The ECG waveform is in
the baseline position. (All
leads)
ECG Data Receiving Circuit
Failure
PCB-7785
Replace the PCB-7785
(9F0110900).
ECG Amp Power Failure
ECG Amp Power Supply
Circuit
Replace the PCB-7785
(9F0110900).
The ECG waveform is not
displayed. (Specific lead)
Disconnection of Lead Cable
Lead Cable
Replace the lead cable
(9D011664C).
ECG Amp Failure
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
Failure of the AD converter circuit
for the corresponding lead
AD Converter Circuit
Replace the PCB-7785
(9F0110900).
Noise is interfering to the
ECG waveform. (All
leads)
Disconnection of lead cable
shielded wire
Lead cable
Replace the lead cable
(9D011664C).
Failure of the Right Leg Drive
Circuit
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
Failure of Lead OFF Circuit
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
Noise is interfering to the
ECG waveform. (Specific
lead)
Disconnection of lead cable
shielded wire
Lead cable
Replace the lead cable
(9D011664C).
ECG Amp Failure
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
AD Converter Circuit Failure
AD Converter Circuit
Replace the PCB-7785
(9F0110900).
Lead OFF is detected.
(Lead OFF is not
detected.)
Disconnection of Lead Cable
Lead cable
Replace the lead cable
(9D011664C).
Failure of Lead OFF Circuit
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
ECG Amp Failure
ECG Amp Circuit
Replace the PCB-7785
(9F0110900).
AD Converter Failure
AD Converter
Replace the PCB-7785
(9F0110900).
ECG Data Receiving Circuit
Failure
PCB-7785
Replace the PCB-7785
(9F0110900).
Symptom
Possible Cause
Malfunctioning Part
Solution
Nothing is displayed on
the LCD.
Backlight power is not supplied.
LCD
Replace the LCD.
LCD power is not supplied.
LCD
Replace the LCD.
LCD Failure
LCD
Replace the LCD.
LCD scintillates.
Loose connection or
disconnection of cable
LCD
Replace the LCD.
LCD is hard to see.
LCD brightness is too dark.
None
Increase the LCD brightness.
LCD cable is not securely
connected.
LCD
Connect the cable securely.
Содержание CardiMax 2
Страница 4: ...2 ...
Страница 10: ...Contents ...
Страница 26: ...Chapter 1 General Description Contents ...
Страница 34: ...Chapter 2 Operational Description Contents ...
Страница 42: ...Chapter 3 Wire Connection Diagram Block Diagram Contents ...
Страница 47: ...4 1 Chapter 4 Spare Parts List Contents Chapter 4 Spare Parts List ...
Страница 48: ...Chapter 4 Spare Parts List Contents ...
Страница 52: ...Chapter 5 Disassembly and Assembly Procedure Contents ...
Страница 67: ...6 1 Chapter 6 Software Update Contents Chapter 6 Software Update Software Updating Procedure 6 1 ...
Страница 68: ...Chapter 6 Software Update Contents ...
Страница 70: ...6 2 Chapter 6 Software Update Software Updating Procedure ...
Страница 72: ...Chapter 7 Troubleshooting Contents ...
Страница 80: ...7 8 Chapter 7 Troubleshooting Hardware Trouble ...
Страница 82: ...Chapter 8 Maintenance Contents ...
Страница 104: ...Chapter 9 Maintenance and Inspection Contents ...
Страница 114: ...9 10 Chapter 9 Maintenance and Inspection Replacement of the Accessories ...
Страница 116: ...Chapter 10 Appendix Contents ...
Страница 122: ...10 6 Chapter 10 Appendix Check List ...
Страница 123: ...The company and product names used in this manual are trademarks or registered trademarks of respective companies ...
Страница 124: ...3 39 4 Hongo Bunkyo ku Tokyo Japan Tel 81 3 5684 1455 Fax 81 3 3814 1222 http www fukuda com 4R0101440 201706 ...