Tadano TT-800XXL1, Service Manual

Page: 190 / 267

K-2
K-2
Air Conditioner
37 W701-0160E
Operation
trouble
phenomenon of
functional parts
Guessing of
trouble functional
parts
Check and confirmation of
operational parts
Diagnosis result
(Refer to temperature
characteristic for thermistor.)
Possible cause
Measures
(Thermistor amplifier
replacement, and connector
repair.)
Replaces
thermistor with
new one. Insufficient cooling status does
not change. -------------------------------- Thermo amp. internal
failure. Replace thermo amp.
Positioned correctly. -------------------------------- Thermistor failure. Replace thermistor.
Insufficient
cooling. (Clutch
works ON and
OFF.)
Check installation
condition of
thermistor.
Incorrect position or comes off. -------------------------------- -------------------------------- Install thermistor in correct
position.
Insufficient
cooling. (Clutch
stayed ON) Refer to other
diagnosis tables.
(Excluding the
cause of
electronic thermo
system.) -------------------------------- -------------------------------- -------------------------------- --------------------------------