Daikin VRV IV+ Service Manual page 83

2.3.61 J3-47-49-51 – Compressor body thermistor R15T open circuit
2.3.62 J3-48-50-52 – Compressor body thermistor R15T short circuit
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Main error code
J3
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
Compressor (M1C) body
temperature
thermistorR15T 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
"3.21 Thermistors" [
Possible cause: Faulty compressor body thermistor or connector fault.
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
J3
Sub error code
47
49
51
Effect
Unit will stop operating.
of the compressor
4
348].
"3.11 Main
Sub error code
48
50
52
2 Troubleshooting
|
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Automatic reset when
thermistor read-out is
within range.
body thermistor.
4
PCB" [ 290].
Unit
Main
Sub 1
Sub 2
Service manual
See
83