User Manual: HotDog
TM
Patient Warming System Controller
Page 14
TROUBLESHOOTING/ERROR CODES
Alarm lights and error code display
Alarm lights and an audible alarm turn on when an error condition occurs. The associated error code will remain on the
display until the condition is cleared. If multiple alarm conditions occur sequentially, the code associated with the initial
alarm condition will be displayed. In all cases, the heater is turned off when an alarm occurs.
Alarm Error Condition
Error Code
Displayed
Description
Over-temperature (primary)
E1 (for each port)
When the temperature exceeds one degree above set point, audible and
visual alarms are initiated, and power is removed from the output. The alarm
will reset when:
Temperature is within acceptable limits (+ 1°C), or
Cable connecting warming device to Controller is disconnected, or
power is turned off at mains switch.
Heater Time Out
E2 (for each port)
Failure to reach temp
(Time to Temperature): When the system does not achieve the set-point
within 10 minutes, audible and visual alarms are initiated. The alarm will
reset when the device is unplugged or power is turned off at mains switch.
Overcurrent (Port)
E3 (for each port)
When port current draw exceeds a predetermined level, audible and visual
alarms are initiated. The alarm will reset when the device is unplugged or
power is turned off at mains switch.
Primary or Secondary sensor
failure
E4 (for each port)
Sensor are reading outside of the useful range
Fold detection alarm
E5 (for each port)
In warming devices equipped with an over-temperature array, local
overheating caused by folding of the warming blanket will initiate visual
and audible alarms. The alarm will reset when the device is unplugged or
power is turned off at mains switch.
Over-temperature (secondary)
E8 (for each port)
for software
versions >=1.07
E1 for software
version <=1.06
When the temperature exceeds 46°C on port A and B or 41.5 on Port C,
audible and visual alarms are initiated. The alarm will reset when the device
is unplugged or power is turned off at mains switch.
Temperature control timeout
-- (for each port)
If a warming device is left operating for 6 hours with no changes to set
point, power will be removed, three short audible chirps will sound, and the
visual alarm indicators will flash continuously. Pressing the temperature
select button will clear the alarm and re-start normal operation.
Overcurrent (System)
E3, E3, E3
Too many large heating devices in use. Power system down (remove from
mains or cycle power switch). Remove one device and re-start. If problem
continues call customer service
Calibration failure
EA, EA, EA
System failure. If this occurs, call customer service for technical support
Hardware CPLD failure
EC, EC, EC
System failure. If this occurs, call customer service for technical support
