Suction Air Thermistor (R1T) Abnormality - Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual

SiBE18-821_C
5.8

Suction Air Thermistor (R1T) Abnormality

C9
Remote
Controller
Display
Method of The temperature detected by suction air thermistor (R1T)
Malfunction
Detection
Malfunction When the suction air thermistor becomes disconnected or shorted while the indoor unit is
running.
Decision
Conditions
Supposed
Causes
Troubleshooting
Refer to "Thermistor Resistance / Temperature Characteristics" table 2 on page 427.
Troubleshooting
Defective thermistor
Defective indoor unit PCB
Disconnection of connector
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Check the connection of
connector
Is it normal?
YES
Disconnect the thermistor
(R1T) from X19A on the
indoor unit PCB and measure
the resistance.
Is the
thermistor normal?
YES
NO
NO
Troubleshooting for SA Indoor Unit
Connect it correctly.
Replace the thermistor
(R1T).
Replace outdoor unit
PCB.
(R13006)
371