A3-08 - Drain Pump Connector Open - Daikin VAM350J8VEB Service Manual

3 | Troubleshooting
3.2.5 A3-08 – Drain pump connector open
Service manual
24
draft – 07/02/2022 15:12
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 Check for excess water level in the drain pan. Empty the drain pan and correct
installation of drain piping as needed. See indoor unit installation manual for
more detailed information.
Possible cause: Excess water in the drain pan and/or incorrect installation of
drain piping.
3 Perform a check of the float switch. See Float switch.
Possible cause: Faulty float switch.
4 Perform a check of the drain pump. See Drain pump.
Possible cause: Faulty drain pump.
5 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.
EKVDX-A units
Trigger
Drain pump NOT
detected.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the drain pump. See Drain pump.
Possible cause: Faulty drain pump.
2 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.
Effect
Unit willl stop operating.
Reset
Power reset.
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02