C4-00 - Liquid Thermistor Abnormality; C5-00 - Gas Thermistor Abnormality - Daikin VAM350J8VEB Service Manual

3 | Troubleshooting
3.2.20 C4-00 – Liquid thermistor abnormality
3.2.21 C5-00 – Gas thermistor abnormality
Service manual
36
draft – 07/02/2022 15:12
EKVDX-A units
Trigger
Indoor unit liquid
thermistor read‑out is out
of range.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the indoor unit refrigerant liquid thermistor. See
Thermistors.
Possible cause: Faulty refrigerant liquid thermistor.
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
Indoor unit gas thermistor
read‑out is out of range.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the indoor unit refrigerant gas thermistor. See
Thermistors.
Possible cause: Faulty refrigerant gas thermistor or connector fault.
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 will stop operating.
Effect
Unit will stop operating.
Reset
Auto reset.
Reset
Auto reset.
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02