Daikin VRV IV+ Service Manual page 86

2 | Troubleshooting
2.3.65 J5-01-03-05 – Compressor suction thermistor R12T malfunction
Service manual
86
Trigger
Compressor (M1C)
discharge thermistor and
compressor (M2C)
discharge thermistor are
cross-wired.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the wiring of the discharge pipe thermistors on the main PCB. See
4
"3.11 Main PCB" [
Possible cause: Discharge pipe thermistors are cross–wired.
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 main PCB. See
Possible cause: Faulty main PCB.
Effect
Unit keeps running.
290].
Sub error code
01
03
05
Effect
Unit will stop operating.
of the suction
4
348].
"3.11 Main
Reset
Auto reset.
Unit
Main
Sub 1
Sub 2
Reset
Auto-reset when
thermistor read-out is
within range
pipe thermistor.
4
PCB" [ 290].
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
See