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Chapter 5: Replacement/Checkout Procedures

Electrical Safety Checkout Procedure

Use approved equipment and techniques to test the unit’s leakage current and ground continuity. Follow the directions

supplied by the test equipment manufacturer to verify the following:

Leakage Current

Less than 300 microamperes measured at any exposed metal surface.

Ground Resistance Check Measure the resistance between the ground pin on the line cord plug and exposed metal

of the light box. The ground resistance must be less than

0.1 ohms.

Light Intensity Checkout Procedure

1. Fully insert the beroptic light pad connector into the light box.

WARNING:

When handling the beroptic cable connector (during insertion, removal or positioning of the

beroptic light pad) use caution to prevent the beroptic cable connector from dropping, which

can damage the beroptic cable connector and/or injure the patient or caregiver.

2. Connect the power cord to the back of the unit, then to an appropriately grounded power source.

3. Turn the BiliSoft LED Phototherapy System on using the standby switch on the front of the unit and allow it

to run for ve (5) minutes.

4. Place the beroptic light pad on a at surface. Do not place the beroptic light pad inside of the BiliSoft Pad

Cover or BiliSoft Nest at this time.

5. Use a properly-calibrated Ohmeda Medical BiliBlanket Meter II to check the irradiance level of the unit using

the template printed on the beroptic light pad. There are two ways to check the irradiance level - a center-

row quick check, which provides approximate irradiance values, and the more comprehensive 6-point (for

small beroptic light pad) or 9-point (for large beroptic light pad) check, which provides more accurate

irradiance values.

To perform the center-row check, measure the irradiance level at each point on the center row using the

template printed on the beroptic light pad. For a small pad, the center row points are C and D. For the large

pad, the center row points are D, E and F. Calculate the average of the center row irradiance measurements.

Use the rst column of the chart below to determine if the minimum acceptable center-row irradiance has

been met. If the average of the light meter readings meets or exceeds the acceptable minimum irradiance,

then the unit is ready for use.

If the meter readings are lower than these values, perform the more comprehensive 6-point (small pad)

or 9-point (large pad) check. Measure the irradiance level at each point using the template printed on the

beroptic light pad. Calculate the average of the irradiance measurements. Use the second column of the

chart below to determine if the average irradiance is within specication. If the average irradiance is outside of

the acceptable range, see the troubleshooting section of this manual.

GE BiliSoft Service Manual

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