Turbo Air TAS-18EHN Service Manual page 50

9.2.4 Open circuit or short circuit of temperature sensors diagnosis and solution(E5/E6)
Check the connections
between temperature
sensor and main PCB.
Are the connections
good?
Yes
Check the resistance value
of the sensor via table1
and table 2, is it normal?
No
Replace the sensor and
c h e c k i f t h e p r o b l e m
happen again?
No Correct the connections.
Replace indoor or outdoor main
Yes
50
PCB.