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.com P/N 10187-000 7/98
Service Mode 3:
To access
Press
AUTO
button while in service mode 1.
Uses
To prewarm the machine for testing of high temperature thermostat S2 and S3 trip points.
Description
•
Patient display is blank.
•
ALERT
LED flashes.
•
Leader lights flash.
•
Setpoint display flashes “3”.
•
The blanket display shows the blanket water temperature in degrees Celsius or Fahrenheit
depending on choice made in last normal operating mode.*
•
For models MTA5900 and MTA5901, the output water temperature is controlled to 105.8°F (41°C).
For model MTA5942, the output water temperature is controlled to 107.6°F (42°C).
To exit
Pressing any button except the
AUTO
button or the
°C/°F
button will reset machine to standby mode.
(Pressing
AUTO
button again will do nothing.) Pressing the
°C/°F
button* will put the machine into
mode 4 from mode 3.
Service Mode 4:
To access
Press
°C/°F
button* while in service mode 3.
Uses
To test the trip points of the high temperature thermostats S2 and S3.
Description
•
Patient display is blank.
•
ALERT
LED flashes.
•
Leader lights flash.
•
Setpoint display flashes “4”.
•
The blanket display shows the blanket water temperature in degrees Celsius or Fahrenheit,
depending on choice made in last normal operating mode.*
•
For models MTA5900 and MTA5901, the output water temperature is controlled to 118.4°F (48°C ).
For model MTA5942, the output water temperature is controlled to 120.2°F (49°C) .
To exit
Pressing any button except the
°C/°F
button will reset the machine to standby mode.
(Pressing the
°C/°F
button again will do nothing.)*
Service Mode 5:
To access
Press
MONITOR
button while in service mode 1.
Uses
•
To verify reservoir probe reading.
•
To assist troubleshooting cooling problems.
Description
•
Patient display shows the cold water reservoir temperature in degrees Celsius or Fahrenheit,
depending on what was selected during the last normal operating mode.*
•
ALERT
LED flashes.
•
Leader lights flash.
•
Setpoint display flashes “5”.
•
The blanket display is blank.
•
The pump is on and cold solenoid valve is opened.
•
The compressor is controlled using normal control algorithms.
To exit
Pressing any button except the
MONITOR
button will reset the machine to standby mode.
(Pressing the
MONITOR
button again will do nothing.)
Table 3 - Service Modes (continued)
SERVICE MODES
*
Some models do not have the
°C/°F
feature. On the model MTA5901 machine, the
SILENCE ALARM
button replaces
the service mode function of the
°C/°F
button. Temperatures will be displayed only in degrees Celsius.
37
SERVICE MANUAL
Medi-Therm II