Stryker Medical Thermaltek 1030, Maintenance Manual

Page: 24 / 116

19
Service Information
ELECTRICAL TROUBLESHOOTING
WARNING
Always unplug the power cord from the wall socket before servicing the bed.
CONDITION POSSIBLE PROBLEM(S) POSSIBLE SOLUTION(S)
High alarm sounds. Closed blower outlets.
Blower not operating properly
(sleeves/overlay should inflate).
Computer not sending proper
heat activation signal to power
board. See operations manual for instal-
lation of sleeves/overlay.
Be sure ”AIR” or a temperature
setting is selected (see opera-
tions manual).
Replace blower filters, if clogged
(page 23).
Check sensor connection on
power board. Replace sensor.
Low alarm sounds. Stretcher temperature too low.
Air duct temperature sensor in-
operative.
Alarm may be activated if
stretcher has been in a cold envi-
ronment. Restart warmer after
stretcher is stabilized at room
temperature.
Check sensor connection on
power board. Replace sensor.
Power light not on after power
cord plugged in. Faulty wall receptacle.
Main (8 amp) fuse blown.
1/10 amp fuse blown.
Faulty main power thermostat. Ensure wall outlet supplies 115
VAC at 8 amps.
Check power board.
Check blower.
Check heater.
Check solid state relay.
Indicates a short or overload in
the DC circuits.
Check power board.
Check CPU board.
Check display board.
With bed unplugged, remove
main power thermostat and
check continuity at room temper-
ature.
Replace if thermostat is open.
Bed loses all power after normal
operation. Perform all ”High Alarm” trouble-
shooting tests.
Perform all ”Power Light Not On”
troubleshooting tests.
Unsatisfactory heating perfor-
mance (stretcher will not reach
selected temperature.) Air flow leaks. Check hoses, outlets and diffus-
ers for air leaks and replace/re-
pair if necessary (page 18).
Contact Stryker technical service at 1–800–327–0770 for further assistance.