20
Water leak with disposable
chamber.
Chamber used beyond lifespan.
Replace with new chamber.
6. Servicing Procedures
6.1. General Precautions
Warning: Although the unit display may not be illuminated, the unit may still be energized. Be sure to
disconnect the unit from the power supply before servicing.
All servicing procedures should be followed by a humidifier performance test, and an electrical safety test to
ensure proper operation.
Warning
:
Do not use excessive force when re-locking.
Maintenance this unit should comply with anti-static procedures.
6.2. Disassemble
6.2.1. Opening the Case
1.
Ensure the power supply has been disconnected.
2.
Remove the four screws at the back of the unit.
Separate the case by sliding the two halves apart. Pull the front half of the case away from the rear.
The control PCB is attached to the front half of the case and is connected via ribbon cable to the power
PCB fitted to the rear half of the case.
3.
Separate the case by sliding the two halves apart. Pull the front power supply PCB to separate the case.
Screw 1
Screw 2
Screw 3
Screw 4
Move forward