
FIELD REPAIR/SERVICE
BLANKETROL III, Model 233
OPERATION AND TECHNICAL MANUAL
Page 114 of 131
TROUBLESHOOTING GUIDE
OBSERVATION
POSSIBLE
PROBLEM
ACTION TO BE TAKEN
V. Unit is set to operate
in a control mode.
Blanket does not heat.
Operator error; switches
not set correctly.
Water not circulating.
Defective heater.
Correctly set switches. See
Section (3.).
See Observation T.
Replace heater. See Section
(5-3.).
W. Unit is set to operate
in a control mode.
PATIENT temp display
or WATER temp
display not accurate or
jumps up and down.
Defective
microprocessor board.
Replace microprocessor
board.
See Section (5-15.).