Daikin VRV IV+ Service Manual page 97

2.3.80 JC-06-08-10 – Low pressure sensor S1NPL abnormality
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Trigger
High pressure sensor
S1NPH read-out short
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 refrigerant high pressure sensor. See
high pressure sensor" [
Possible cause: Faulty refrigerant high pressure sensor.
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
JC
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
Low pressure sensor
S1NPL read-out 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 refrigerant low pressure sensor. See
low pressure sensor" [
Effect
Unit will stop operating.
4
330].
"3.11 Main
Sub error code
06
08
10
Effect
Unit will stop operating.
4
333]
2 Troubleshooting
|
Reset
Manual reset via user
interface.
Automatic reset when
sensor read-out is within
range.
"3.17 Refrigerant
4
PCB" [ 290].
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Automatic reset when
sensor read-out is within
range.
"3.18 Refrigerant
Service manual
97