Daikin VRV IV+ Service Manual page 141

2.3.132 PJ-10-17-18 – Capacity setting mismatch for fan inverter PCB A7P
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
1 Check if the correct spare part is installed for the main PCB. See
4
PCB" [ 290]. Check dips switch setting for spare part main PCB.
Possible cause: Incorrect spare part main PCB or incorrect dips switch setting.
2 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
3 Perform a check of the fan inverter PCB A4P. See
4
PCB" [ 259].
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.
Main error code
PJ
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
Main PCB detects other
type PCB than set in
EEPROM or wrong dip
switch setting on spare
part main PCB.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check if the correct spare part is installed for the main PCB. See
4
PCB" [ 290]. Check dips switch setting for spare part main PCB.
Possible cause: Incorrect spare part main PCB or incorrect dips switch setting.
2 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
3 Perform a check of the fan inverter PCB A7P. See
4
PCB" [ 259].
Possible cause: Faulty fan inverter PCB A7P.
"3.11 Main
Sub error code
10
17
18
Effect
Unit will stop operating.
"3.11 Main
2 Troubleshooting
|
"3.11 Main
4
PCB" [ 290].
"3.8 Fan inverter
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
Power reset at outdoor
unit.
"3.11 Main
4
PCB" [ 290].
"3.8 Fan inverter
Service manual
141