Daikin VRV IV+ Service Manual page 87

2.3.66 J5-18-19-20 – Suction temperature thermistor R10T abnormality
2.3.67 J6-01-02-03 – De–icer thermistor R11T abnormality
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
J5
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
Thermistor read-out is 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 suction pipe thermistor or connector fault.
2 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.
Main error code
J6
Sub error code
18
19
20
Effect
Unit will stop operating.
of the suction
4
348].
"3.20 Sub
Sub error code
01
02
03
2 Troubleshooting
|
Unit
Main
Sub 1
Sub 2
Reset
Auto-reset when
thermistor read-out is
within range
pipe thermistor.
4
PCB" [ 342].
Unit
Main
Sub 1
Sub 2
Service manual
See
87