Mitsubishi Electric CMB-WP108NU-AA Service Handbook page 201

[ VIII Troubleshooting ]
10. Thermistor (TH31)
Operation procedures
(1) Remove the two fixing screws from the
service panel (top right) and then re-
move the service panel (top right).
(2) Remove the two fixing screws from the
service panel (top left) and then remove
the service panel (top left).
(3) Disconnect all TH31 connectors from
the control board.
(4) Remove the four control box fixing
screws and then remove the control
box.
(5) Remove the thermistor (TH34). <Refer
to 11.> (Because of same connector as
TH31)
(6) Pull out TH31 from the top of the unit
and then replace it.
11. Thermistors (TH12, TH14, TH15, and TH34)
Operation procedures
(1) Disconnect the connectors of the therm-
istor to be replaced from the control
board.
(2) Remove the four fixing screws from the
service panel (right) and then remove
the service panel (right).
(3) Remove the thermistor from the front of
the unit and then replace it.
(4) Remove the control box and then re-
move the thermistor wires secured by
clamps.
(5) In the case of TH12, also remove TH11.
In the case of TH14, also remove TH13.
In the case of TH15, also remove TH16.
In the case of TH34, also remove TH31i
and TH31j.
(Because of same connector as corre-
sponding thermistor)
<Refer to 10.>
HWE2206A
Illustrations
Service panel (top left)
TH31 (x16)
h
i
j
k
l
m
n
o
p
Illustrations
TH34
TH14
TH12
Right side of control box
- 190 -
Service panel (top right)
Control box
e
f
g
a
b
c
d
Access route
TH15
Access direction
Operation
location
In ceiling
space
Operation
location
In ceiling
space
GB