SERVICE MANUAL FOR INFANT INCUBATOR EDITION/REVISION B/0
5.4 TROUBLESHOOTING PROCEDURES
5.4.1 GENERAL
Troubleshooting guides for the Controller are provided in Paragraph 5.4.3 and Paragraph 5.4.4.
Paragraph 5.4.3 provides the alarm code when the controller alarms. Paragraph 5.4.4 provides
troubleshooting in the form of flowcharts.
z It is confirmed that the system settings are correct before troubleshooting.
5.4.2 TEST EQUIPMENT REQUIRED
The test equipment listed below is required for troubleshooting the Controller. Equivalent test
equipment may be substituted.
z Digital VOM, FLUKE 8060A
z 31.0℃ Air Temperature Simulation
5-6
I2
Resistor
Resistor R=23166Ω/0.25W/0.5%
z 31.0℃ Air flow Temperature Simulation
Resistor
Resistor R=23166Ω/0.25W/0.5%
z 31.0℃ skin Temperature Simulation
Resistor R=23166Ω/0.25W/0.5%
5.4.3 TROUBLESHOOTING
All alarms have the relevant alarm code except for the power ailure alarm, please refer to Table 5.1.
TABLE 5.1 ERROR CODES
ALARM CODE TYPE
EXPLANATION AND
CORRECTIVE ACTION
E0.1 Air temperature sensor failure alarm Refer to Flow chart 5.1
E0.2 Isolated temperature sensor alarm Refer to Flow chart 5.2
E0.3 Air temperature deviation failure alarm Refer to Flow chart 5.3
Resistor