J5" Outdoor Unit: Malfunction Of Thermistor (R3T, R5T) For Suction Pipe 1, 2 - Daikin ERQ Service Manual

Troubleshooting by Indication on the Remote Controller
J5
3.25 " " Outdoor Unit: Malfunction of Thermistor (R3T, R5T)
for Suction Pipe 1, 2
J5
Remote
Controller
Display
Applicable
ERQ 125 ~ 200 A7V1
Models
Method of Malfunction is detected from the temperature detected by the thermistor for suction pipe 1, 2.
Malfunction
Detection
Malfunction
When a short circuit or an open circuit in the thermistor for suction pipe 1, 2 are detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗ Refer to thermistor resistance / temperature characteristics table on P232.
194
Defect of thermistor (R3T, R5T) for outdoor unit suction pipe
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Connector
of the thermistor for
suction pipe1, 2 is
NO
connected to X12A of
outdoor unit PC board
(A1P).
YES
Resistance
is normal when
measured after
NO
disconnecting the thermistor
(R3T, R5T) from the
outdoor unit PC
board. (3.5kΩ ~
360kΩ)
YES
Connect the thermistor and turn
on again.
Replace the thermistor (R3T, R5T).
Replace outdoor unit PC board
(A1P).
: http://splitoff.ru/tehn-doc.html
ESIE09-05
(V3073)
Troubleshooting