Troubleshooting by Indication on the Remote Controller SiE39-404
202 Troubleshooting
2.25 “J3” Outdoor Unit: Malfunction of Discharge Pipe
Thermistor (R3, R31~33T)
Remote
Controller
Display
J3
Applicable
Models
RXYQ5~48M
Method of
Malfunction
Detection
Malfunction is detected from the temperature detected by discharge pipe temperature
thermistor.
Malfunction
Decision
Conditions
When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Supposed
Causes
Defect of thermistor (R31T, R32T or R33T) for outdoor unit discharge pipe
Defect of outdoor unit PC board (A1P)
Troubleshooting
The alarm indicator is displayed when the fan is being used also.
Note: 5 HP class ··· R3T
8~12 HP class ··· R31T, R32T
14, 16Hp class ··· R31T, R32T and R33T
(V3072)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
Resistance
is normal when
measured after
disconnecting the thermistor
R31, 32T or R33T from the
outdoor unit PC board.
(3.5kΩ~
400kΩ)
Replace outdoor unit PC board
A1P.
Connect the thermistor and turn
on again.
Replace the thermistor (R31, 32T
or R33T)
Connector
is connected to X34A
of outdoor unit
PC board
(A1P).
NO
NO
YES
YES
To Next Page
Loading...
Need help?
General
