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MR810 Technical Manual Rev C REF 185042601
6
6 SERVICING PROCEDURES
NOTE: A complete list of spare parts in contained in Appendix C.
6.1 PRECAUTIONS
WARNING:
Even if the MR810 is switched off with the power button, the unit is still energised.
Disconnect the MR810 from the power supply before servicing.
After servicing the humidifier should be electrically safety tested (§ 7), and
performance tested (§ 8), to ensure correct operation.
Ensure case screws are correctly fitted to the product after assembly. Replace the
top case if any screw thread strips.
Caution
The MR810 contains electrostatically sensitive components. Ensure antistatic procedures are
followed when servicing.
Do not use excessive force when re-fastening screws. (Refer to Table 6 for correct torque
settings).
6.2 OPENING THE CASE AND REMOVING THE PCB
6.2.1 OPENING THE CASE
WARNING:
Even if the MR810 is switched off with the power button, the unit is still energised.
Disconnect the MR810 from the power supply before servicing.
1. Ensure mai ns plug has been disconnected from the wall socket.
2. Place the unit upside down and remove the three screws in the bottom cover (refer to Figure 6.1).
3. Pull the case front forward to disengage the two clips, then lift the front of the bottom cover up and
then away (see Figure 6.1). Refer to the exploded diagram (Figure 8.1) for further dis/assembly detail.