Functional checks (Continued)
Current leakage check
Check the current leakage at this point with the unit full and connected to a pad.
Procedure:
1. Connect the pump to the Mul-T-Pad
®
Temperature Therapy Pad.
2. Straighten the pad and hoses.
3. Open the hose clamps.
4. Open the ll cap on top of the pump.
5. Fill with room temperature water to the Heating water line. Close the ll cap on the top of the pump.
6. Plug the pump into a properly grounded Hospital Grade receptacle.
Notes: The pump performs a self test of the lights and audible alarm, with a light pattern and a short audible beep.
The pump goes to Standby mode with only the Standby light on.
7. Press the On/Standby button.
8. Using the Current leakage meter, measure all combinations of heater in the on and off states by pressing the
On/Standby button.
Notes
• Access to ground for current leakage testing is available through the hole where (See Figure 4 Access to ground
on page 20) the hose connects to the pump.
• The highest reading should be less than 100μA.
Figure 4: Access to ground
9. Record the highest reading.
10. Disconnect the current leakage meter.
101176 Rev 1
Preventive maintenance
20 c2dx.com
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