Daikin VRV IV+ Service Manual page 23

2.3.3 E1-02 – Outdoor unit main PCB A1P error
2.3.4 E2-01-02-03 – Current leak detection
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
2 Check if the power supply is conform with the regulations. See
4
circuit" [ 356].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >10%),
▪ Power drop,
▪ Short circuit.
3 Check the F1‑F2 transmission line between the indoor units and outdoor unit.
See "4.1 Electrical circuit" [
Possible cause: Faulty or interruption in transmission line between indoor
units and outdoor unit.
4 Perform a power reset. If the error disappears and is raised again after a
while, check for the presence of an external source causing electrical noise.
See "4.3 External factors" [
Possible cause: External source may cause interference.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Defected main PCB.
To solve the error code
1 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
E2
"3.11 Main
4
356].
4
372].
Effect
Unit will stop operating.
"3.11 Main
Sub error code
01
02
03
2 Troubleshooting
|
4
PCB" [ 290].
"4.1 Electrical
Reset
Manual reset via user
interface.
4
PCB" [ 290].
Unit
Main
Sub 1
Sub 2
Service manual
23