Bair Hugger Security Systems Service Manual download pdf (Page 20)

Bair Hugger Model 750 Temperature Management Unit Service Manual

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Viewing the Fault Code Log

Service frequency

As oen as necessary.

Tools/equipment

None required.

Method

1. If your temperature management unit is already ON, you can access the fault code log from any

operating mode. Otherwise, connect the temperature management unit to a grounded power source.

e unit performs a self-test and automatically proceeds to Standby mode. en select any operating

mode.

2. Press the Alternative Mode button (see Figure 2: Alternative Mode button on page11) and the

32°C button simultaneously for three seconds. e temperature management unit is now in Fault

Code Log mode. In this mode, the temperature management unit performs the following tasks:

a. Continues to operate in current operating mode.

b. 32°C and 38°C indicator light ashes.

c. Text “FC(n) XXX” appears in the alphanumeric display. “FC” is an abbreviation for the phrase

“fault code,” “n” represents the numerical order of the fault code in the log, and “XXX” represents

the code for the fault condition. See Fault Code Table on page 16 for a list of fault codes and their

meanings.

d. e time (HH:MM:SS) of each fault appears below “FC(n) XXX” in the alphanumeric display. If

the unit reaches 100 or more hours the time only reads hours and minutes.

3. Press either the 32°C or 38°C button to view the next fault code in the log. e temperature

management unit stores a maximum of 5 fault codes in non-volatile memory.

4. Press the Alternative Mode button to return the temperature management unit to its previous

operating mode.

Clearing the Fault Code Log

Put the unit in Fault Code mode by pressing the Alternative Mode button and the 32°C button

simultaneously for three seconds; then, press the 43°C button.

note

e fault code log should not be cleared unless instructed to do so by a 3M Patient Warming representative.

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Bair Hugger Security Systems Service Manual Page 20