Daikin VRV IV+ Service Manual page 40

2 | Troubleshooting
2.3.20 E7-06-18-30 – Outdoor unit fan motor M2F overcurrent error
Service manual
40
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
Overcurrent detected on
outdoor unit fan motor
M1F.
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
4
PCB" [ 259].
Possible cause: Faulty fan inverter PCB A4P.
2 Perform a check of the outdoor unit fan motor M1F. See
4
fan motor" [ 307].
Possible cause: Faulty outdoor unit fan motor M1F.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Main error code
E7
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
Overcurrent detected on
outdoor unit fan motor
M2F.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
Effect
Unit will stop operating.
Sub error code
06
18
30
Effect
Unit will stop operating.
Reset
Manual reset via user
interface.
"3.8 Fan inverter
"3.14 Outdoor unit
Unit
Main
Sub 1
Sub 2
Reset
Manual reset via user
interface.
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05