Ja-07-09-11 - High Pressure Sensor S1Nph Malfunction; Jc-06-08-10 - Low Pressure Sensor S1Npl Abnormality; Jc-07-09-11 - Low Pressure Sensor S1Npl Abnormality - Daikin VRV IV+ Service Manual

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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 Effect
High pressure sensor Unit will stop
S1NPH read-out operating.
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 high pressure sensor. See
"3.15 Refrigerant high pressure sensor" on
Possible cause: Faulty refrigerant high pressure sensor.
2 Perform a check of the main PCB. See
page 106.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.55 JA-07-09-11 – High pressure sensor
S1NPH malfunction
Main error code Sub error code
JA 07
09
11
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 Effect
High pressure sensor Unit will stop
S1NPH read-out operating.
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
"3.15 Refrigerant high pressure sensor" on
Possible cause: Faulty refrigerant high pressure sensor.
2 Perform a check of the main PCB. See
page 106.
Possible cause: Faulty main PCB.
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07
2.3.56
Reset
Main error code
Manual reset via user
JC
interface.
Automatic reset when
sensor read-out is
within range.
Trigger
page 124.
Low pressure sensor
S1NPL read-out open
circuit or out of range.
"3.9 Main PCB" on
To solve the error code
1 Perform a check of the refrigerant low pressure sensor. See
Unit
Main
2 Perform a check of the main PCB. See
Sub 1
Sub 2
2.3.57
Reset
Main error code
Manual reset via user
JC
interface.
Automatic reset when
sensor read-out is
within range.
Trigger
page 124.
Low pressure sensor
S1NPL read-out open
circuit or out of range.
"3.9 Main PCB" on
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
JC-06-08-10 – Low pressure sensor
S1NPL abnormality
Sub error code
06
08
10
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.
Effect
Unit will stop
operating.
INFORMATION
It is recommended to perform the checks in the listed
order.
"3.16 Refrigerant low pressure sensor" on page 126
Possible cause: Faulty refrigerant low pressure sensor.
page 106.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
JC-07-09-11 – Low pressure sensor
S1NPL abnormality
Sub error code
07
09
11
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.
Effect
Unit will stop
operating.
2 Troubleshooting
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Automatic reset when
sensor read-out is
within range.
"3.9 Main PCB" on
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Automatic reset when
sensor read-out is
within range.
Service manual
33