
Level 1®
CONVECTIVE WARMER
| Operator’s Manual
27
S E C T I O N 7 • T r o u b l e s h o o t i n g
Problem
Possible Cause/Solution/Operating Conditions
The Occlusion (pinched hose)
and Standby indicators are
lit solid, the Maintenance
Indicator is blinking and
the heater and motor have
stopped operating. The alarm
may or may not be sounding
1. The hose and/or the thermistor cable are not properly connected:
• Remove the power plug from the Mains, Check the hose and thermistor cable
connections, restart, select temperature and determine if problem persists
before placing back in service.
Warmer is running, the
selected Temperature Setting
Indicator is flashing fast, the
Maintenance Indicator is on
and an alarm is sounding
1. The system is taking much longer than anticipated to warm
• Check hose connection
• Check that room temperature is not below 15° C (20° C for L1-CW-100V)
Warmer stops, the selected
Temperature Setting
Indicator is flashing fast, the
Maintenance Indicator is on,
the Standby Indicator is off
and an alarm is sounding
1. The system has detected a temperature below 36° C and there is a possible
risk to the patient of hypothermia.
• Check hose connection
• Check that room temperature is not below 15° C (20° C for L1-CW-100V)
Warmer is running, the
selected Temperature
Setting Indicator is on solid
or is blinking, the Over
Temperature Error Indicator is
on solid or is blinking, and an
alarm may be sounding
1. The temperature at the hose end is above the temperature selected on the
control panel.
• Continue use and wait for the temperature to reduce.
Warmer stops, the Over
Temperature Error Indicator
is blinking, the Maintenance
Indicator is blinking and an
alarm is sounding
1. The warmer has stopped due to the temperature being too high.
• Remove the power plug from the Mains, Check the hose and thermistor cable
connections, restart, select temperature and determine if problem persists
before placing back in service.
The Maintenance Indicator
is blinking fast, the Standby
Indicator is on solid, audio is
sounding, no other LEDs are
lit and the system will not
operate
1. The over temperature count limit has been exceeded
• Contact service or refer to service manual.
The Maintenance Indicator
is lit solid but the system still
operates normally
1. Service is requested
• Contact service or refer to service manual.
All amber indicators (bottom
row) are flashing and the
warmer will not run
1. The air filter is not properly installed
• Remove the power plug from the Mains, verify that the filter is installed,
re-insert the power plug