Chapter 8
8-42
Esprit® Ventilator Service Manual © Respironics, Inc.
REF 580-1000-02 G
Performance Verification
Test 1: Electrical Safety
Test 2: Extended Self Test
See Chapter 5 for EST instructions and Chapter 6 for diagnostic code repair
procedures.
Symptom
Recommended Repair
Ground resistance out
of range
1. Verify that the AC outlet is properly grounded. Try another AC
outlet.
2. Verify that the AC power cord is completely inserted into the AC
inlet.
3. Bypass External Battery (if connected).
4. Check for secure connections of AC mains ground wires on the AC
distribution panel, power supply, and equipotential ground.
5. Check for visible damage to the power cord.
6. Replace power cord.
Cooling fan(s) not
operating
1. Check that the fan wires are properly seated in connector J2 on
the blower controller PCB (for the cooling coil fan) and that the
power supply shroud fan is connected.
2. Slave in a replacement fan and replace if it is operational.
3. Replace the Power Supply.
Forward/reverse leakage
current out of range
1. Disconnect any devices plugged into the humidifier outlet.
2. Bypass External Battery (if connected).
3. Check for missing insulation strips on the power supply shroud.
4. Check for secure connections of AC mains ground wires on the AC
distribution panel, power supply, and equipotential ground.
5. Replace power cord and rerun test.
6. Check for pinched cables and harnesses or damaged wire
insulation throughout the ventilator.
7. Replace power supply and rerun test.
