Daikin VAM350J8VEB, Руководство по обслуживанию

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3 | Troubleshooting
Service manual
26
VAM350~200 EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
3.2.7 A6-10-12-14-16 – Fan motor abnormality - overcurrent or IPM protection
VAM-J8 units
Trigger Effect Reset
PCB detects too high
current. Units will stop operating. Remote controller reset.
Sub code Unit Fan motor Fan PCB
10 VAM350~650J8 Supply air M1F A2P
1000J8 Supply air M2F A3P
2000J8 Supply air (bottom) M2F A3P
12 VAM350~650J8 Exhaust air M2F A2P
1000J8 Exhaust air M1F A2P
2000J8 Exhaust air (bottom) M1F A2P
14 2000J8 Supply air (top) M4F A5P
16 2000J8 Exhaust air (top) M3F A4P
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the power supply to the indoor unit. See Power supply.
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance),
▪ Phase missing,
▪
Power drop,
▪ Short circuit.
2 Depending on your unit, perform a check of the appropriate indoor unit fan
motor (see table above). See Indoor unit fan motor.
Possible cause: Faulty indoor unit fan motor.
3 Depending on your unit, perform a check of the appropriate indoor unit fan
PCB (see table above). See Indoor unit fan PCB.
Possible cause: Faulty indoor unit fan PCB.
4 Perform a check of the indoor unit main PCB. See Indoor unit PCB.
Possible cause: Faulty indoor unit main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
draft – 07/02/2022 15:12