A1-00 - Main Pcb Abnormality; A3-00 - Drain Water Level Abnormality - Daikin VAM350J8VEB Service Manual

3.2.3 A1-00 – Main PCB abnormality
3.2.4 A3-00 – Drain water level abnormality
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
Possible cause: External (foreign) vapor substance reacted with R32 leak
detection sensor.
6 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 and VAM-J8 units
INFORMATION
In case of EKVDX-A + VAM-J8 combination: check via the remote controller which
indoor unit generates this error. Perform procedures described below for the
applicable indoor unit.
Trigger
Data read error from
EEPROM.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 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 External factors.
Possible cause: External source may cause interference.
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.
EKVDX-A units
Trigger
Float switch is open circuit
during normal operation.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
Effect
Unit will stop operating.
Effect
Unit willl stop operating.
draft – 07/02/2022 15:12
3 | Troubleshooting
Reset
Power reset of indoor
unit.
Reset
Remote controller reset.
Service manual
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