Fisher & Paykel MR730 Manual De Usuario

48

Ref. 185040646 MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001

The MR700 series humidifiers operating software continually monitors the performance characteristics of the humidifier reporting any errors and in the event of a fatal error
terminates operation in a fail safe mode. For this reason preventative maintenance of the humidifier need only be performed at extended intervals.

The following list of routine checks are recommended to be performed at the intervals stated.

For each maintenance check fill out a checklist, as given in Appendix B2.

Perform the following:

1

Check temperature probe for damage to sensor tips, abrasion of the cable or tarnishing of electrical contacts.
Clean with alcohol on a swab or replace as necessary.

2

Remove and check the reusable hose heater wire (if fitted) for kinks and abrasions. Replace if necessary.

3

Check heater wire connector for damage to cable and both end plugs. Check for correct coupling of the plugs
with their respective sockets on the heater base and heater wire assembly.

4

Check humidifier power cable for damage and replace as necessary.

5

Plug probe and heater wire (if fitted) into heater base and switch on. Observe correct operation of power up
procedure. Check for no immediate alarms and correct display of ambient temperature. Continue to run for at
least 30 seconds by which time all the relevant internal tests will have been completed. Switch off.

Perform a temperature probe test as outlined in § 6.4.

Execute a performance check appropriate to the humidifier model as detailed in § 6.0.

Carry out Electrical Safety checks as per Appendix B2.

Carry out Electrical Safety checks, see Appendix B2.