L1-29-33-35 - Fan Inverter Pcb A7P Eeprom Error; L1-36-38-40 - Inverter Pcb A3P Eeprom Error; L1-37-39-41 - Inverter Pcb A6P Eeprom Error - Daikin VRV IV+ Service Manual

2 Troubleshooting
Trigger Effect
Fan inverter PCB Unit will stop
A4P fails reading/ operating.
writing memory
(EEPROM error).
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the fan inverter PCB A4P. See
inverter PCB" on page 92.
Possible cause: Faulty fan inverter PCB A4P.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.69 L1-29-33-35 – Fan inverter PCB A7P
Eeprom error
Main error code Sub error code
L1 29
33
35
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
Fan inverter PCB Unit will stop
A7P fails reading/ operating.
writing memory
(EEPROM error).
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the fan inverter PCB A7P. See
inverter PCB" on page 92.
Possible cause: Faulty fan inverter PCB A7P.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.70 L1-36-38-40 – Inverter PCB A3P Eeprom
error
Main error code Sub error code
L1 36
38
40
Service manual
38
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
Reset
Manual reset via user
interface.
Power reset at
outdoor unit.
"3.6 Fan
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Power reset at
outdoor unit.
"3.6 Fan
Unit
Main
Sub 1
Sub 2
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
Inverter PCB A3P Unit will stop
fails reading/writing operating.
memory (EEPROM
error).
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the inverter PCB A3P. See
PCB" on page 99.
Possible cause: Faulty inverter PCB A3P or non‑compatible
inverter PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.71 L1-37-39-41 – Inverter PCB A6P Eeprom
error
Main error code Sub error code
L1 37
39
41
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
Inverter PCB A6P Unit will stop
fails reading/writing operating.
memory (EEPROM
error).
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the inverter PCB A6P. See
PCB" on page 99.
Possible cause: Faulty inverter PCB A6P or non‑compatible
inverter PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
Reset
Manual reset via user
interface.
Power reset at
outdoor unit.
"3.8 Inverter
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Power reset at
outdoor unit.
"3.8 Inverter
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07