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SiBE18-821_C
5.6
Indoor Liquid Pipe Thermistor (R2T) Abnormality
C4
Remote
Controller
Display
Method of
The temperature detected by indoor liquid pipe thermistor (R2T)
Malfunction
Detection
Malfunction
When the indoor liquid pipe thermistor becomes disconnected or shorted while the indoor unit is
running.
Decision
Conditions
Supposed
Causes
Troubleshooting
Check the connection of
connector.
Disconnect the thermistor
(R2T) from X18A on the
indoor unit PCB and measure
the resistance.
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.
NO
Is it normal?
YES
Is the
NO
thermistor normal?
YES
Troubleshooting for SA Indoor Unit
Connect it correctly.
Replace the thermistor
(R2T).
Replace the indoor
unit PCB.
(R13004)
369
- Quick Links:
- Part 2 Specifications
- Outdoor Unit
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Troubleshooting
