MAINTENANCE
BLANKETROL II, Model 222S
OPERATION AND TECHNICAL MANUAL
Page 64 of 110
H. Place a jumper on the test port in the location marked LS.
I. Turn the unit on and monitor the temperature on the water temperature display as the
water is cooled.
J. The unit should cool the water to 2.0°C ± 2.0°C and shut off; SETPOINT/ STATUS
should indicate LOW LIMIT REMOVE FROM SERVICE.
K. Turn the unit off and remove the test jumper.
L. Allow the water temperature to rise above 4.0°C.
4-9. HIGH LIMIT SAFETIES CHECK
A. Plug the BLANKETROL II into the appropriate power supply and turn its power switch to
the
“O” position to turn unit off.
B. Remove the top of the unit, as described in Section (5-1.2.), and locate the test jumpers
in the storage position marked JP5 on the microprocessor board, which is on the left
edge of the board.
C. Place a jumper on the test port (JP4 position) in the location marked HC.
D. Turn the unit on and monitor the temperature on the water temperature display as the
water is heated.
E. The BLANKETROL II should heat the water to 44.0°C ± 2.0°C and shut off; SETPOINT/
STATUS should indicate HIGH LIMIT REMOVE FROM SERVICE.
F. Turn the BLANKETROL II off and remove the test jumper.
G. Allow the water temperature to fall below 42.0°C.
WARNING
The repair, calibration, and servicing of the BLANKETROL II should be performed
by qualified Medical Equipment Service Technicians, Certified Biomedical
Electronics Technicians, or Certified Clinical Engineers familiar with good repair
practices for servicing medical devices, and in accordance with instructions
contained in this manual.
Improper repair can result in damage to the
BLANKETROL II system and patient injury.
Always
unplug the unit
before accessing internal components during service.
Failure to unplug the unit could result in electric shock.
No modification of this equipment is allowed without prior, written authorization
from CSZ.
Failure to do so may result in damage to the BLANKETROL II
system and patient injury.
Before
returning the BLANKETROL II to patient use
after
repairs, the FIRST
TIME SET-UP/SYSTEM TEST ROUTINE in Section 2 must
always
be performed.
Improper repair and inadequate maintenance can result in damage to the
BLANKETROL II system and patient injury.
Summary of Contents for CSZ Blanketrol II 222S
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