User Manual: HotDog
TM
Patient Warming System Controller
Page 10
Alarms
Alarm: Port A, B and C
If the warming device sensor temperature exceeds one degree above set point or other fault
conditions exist, an audible alarm sounds and the Alarm Light for the affected port illuminates
Yellow. The Controller will automatically turn off power to that warming device. If the Alarm
Light stays illuminated and the alarm continues to sound, disconnect the warming device from
the Controller to silence the alarm. If the controller alarms again after a reset was performed,
discontinue use and refer the Controller to biomedical engineering for evaluation.
Error Codes
The Controller displays the following error codes on the Temperature Display for specific
alarm conditions. Refer to Troubleshooting and Error Codes sections for more details.
Error Code
Alarm Condition
E1 on affected port
Over-temperature alarm – Temperature of sensor
has exceeded 1 degree above set-point
E2 on affected port
Time-to-temperature alarm – device has not reached
selected set point within ten minutes
E3 on affected port
Over-current condition
E3 on all ports
System over-current condition
E4 on affected port
Primary or secondary broken sensor alarm
E5 on affected port
Over-temperature array alarm
E8 on affected port
Over temperature – Secondary – Temperature of
sensor has exceeded 46C for blankets and 41.5 C for
mattresses (on controllers with software version 1.06
and lower, this alarm displays as E1 and not E8)
Six hour timer
If a warming device is left on with no adjustment to
temperature settings for six hours the controller will
turn off power to warming device.
EA, EC, EE, EF, EH, EP on
all ports
System failure, refer controller to biomedical
engineering department.
