Covidien WarmTouch - 5.4 Safety Checks; 5.4.1 Physical Inspection; 5.4.2 Temperature and Alarm Verification; 5.4.3 Electrical Safety Tests

Safety Checks
Service Manual 5-3
5.4 Safety Checks
5.4.1 Physical Inspection
Covidien recommends that the customer perform a visual check of the follow-
ing items before each use of the warming unit:
• Equipment — Inspect the warming unit and power cord for mechanical damage
or deterioration.
• Labels — Inspect the safety labels for legibility.
After performing any service on the warming unit, be sure to check these items
before returning the unit to operation.
Covidien also recommends checking the time remaining time before the filter
must be replaced before returning the unit to operation. See Monitoring the
Filter Status on page 5-10 for instructions.
5.4.2 Temperature and Alarm Verification
Once a year, the following tests must be performed:
• Temperature Accuracy Test — Use this test to verify heater output tempera-
tures. See page 7-8 for instructions.
• Thermostat Test — Use this test to verify the alarm system. See page 7-11 for
instructions.
These tests are also required after certain service procedures. Refer to the
instructions in each component replacement section for testing requirements.
5.4.3 Electrical Safety Tests
The following electrical safety tests must be performed after certain service
procedures:
• Ground Bond Test — See page 7-14 for values.
• Earth Leakage Current Test (Line Leakage) — See page 7-14 for values.
• Enclosure Leakage Current Test (Line Leakage) — See page 7-14 for values.
Refer to the instructions in each component replacement section for testing
requirements.