GGM VH-2600A-230 - Page 4

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5.2.5. Low Humidity ........................................................................................................................ 18
5.2.6. Alarms .................................................................................................................................... 18
5.2.7. Temperature Display .............................................................................................................. 19
5.2.8. Breathing Circuit Leak ........................................................................................................... 19
5.2.9. External Water Leak ............................................................................................................... 19
6. Servicing Procedures ................................................................................................................................... 20
6.1. General Precautions .......................................................................................................................... 20
6.2. Disassemble ...................................................................................................................................... 20
6.2.1. Opening the Case ................................................................................................................... 20
6.2.2. Replacing Fuses ..................................................................................................................... 21
6.2.3. Resetting the Thermal Cutout ................................................................................................ 22
6.2.4. Replacing the Mains Cable .................................................................................................... 22
6.2.5. Replacement of Printed Circuit Boards (PCBs)..................................................................... 23
6.2.6. Replacing the Termistor. ........................................................................................................ 23
6.2.7. Checking the heater plate element ......................................................................................... 24
6.2.8. Replacing the Thermal Cutout ............................................................................................... 25
6.2.9. Closing the Case .................................................................................................................... 25
7. Performance Testing .................................................................................................................................... 26
7.1. Humidifier Performance Testing ....................................................................................................... 26
7.1.1. Humidifier Calibration Check................................................................................................ 26
7.1.2. Humidifier Display Check ..................................................................................................... 26
7.1.3. Humidifier Voltage Calibration Check .................................................................................. 26
7.1.4. Humidifier Warm-up and Control Check ............................................................................... 26
7.2. Humidifier Warm-up and Control Check .......................................................................................... 26
7.3. Temperature accuracy calibration ..................................................................................................... 26
8. Recommended Maintenance Checklist ........................................................................................................ 27
8.1. Humidifier Check (Annually) ........................................................................................................... 27
9. Exploded Diagram ....................................................................................................................................... 27
9.1. Heater Plate ....................................................................................................................................... 27
9.2. VH-2600 Exploded Diagram ............................................................................................................ 28
9.3. VH-2600A Exploded Diagram.......................................................................................................... 28