Daikin VRV IV+ Service Manual page 95

2.3.77 J9-11-12-13 – Receiver gas thermistor R13T abnormality
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the gas pipe thermistor of the subcool heat exchanger. See
"3.21 Thermistors" [
Possible cause: Faulty gas pipe thermistor of the subcool heat exchanger.
2 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Main error code
J9
INFORMATION
Main, Sub 1 and Sub 2 indications are relevant in multiple outdoor unit
configurations. Main outdoor unit is the unit to which F1‑F2 IN transmission line is
connected. Main, Sub 1 and Sub 2 outdoor units can be identified by field setting
1‑00.
Trigger
Receiver gas thermistor
R13T short/open circuit or
out of range.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the receiver gas thermistor. See "3.21 Thermistors" [
Possible cause: Faulty receiver gas thermistor or connector fault.
1 Perform a check of the Sub PCB. See
Possible cause: Faulty Sub PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
4
348].
"3.11 Main
Sub error code
11
12
13
Effect
Unit will stop operating.
"3.20 Sub
2 Troubleshooting
|
4
PCB" [ 290].
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Automatic reset when
thermistor read-out is
within range.
4
4
PCB" [ 342].
Service manual
348].
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