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Troubleshooting
Service manual
43
VAM350~200 EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
3.2.31 CH-02 – R32 leak detection sensor life time is exceeded
EKVDX-A units
Trigger
Effect
Reset
The R32 sensor detected
operation of 10 years or
more.
Indoor unit will stop
operating.
▪
Power reset of the
indoor unit.
▪
Set
field
setting
25‑14‑01 to 02 on the
remote controller of the
faulty indoor unit.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check the error history to see if R32 leak detection sensor was replaced, see
19]. If replaced, check if timer was reset during sensor
replacement. Reset as needed.
Possible cause:
R32 leak detection sensor was replaced without timer reset.
2
Check the operation time of the R32 leak detection sensor of the faulty indoor
unit. If operation time is 10 years, replace the R32 leak detection sensor. See
R32 leak detection sensor.
Possible cause:
R32 leak detection sensor operation time reached maximum
value (10 years).
3
Perform a check of the R32 leak detection sensor of the faulty indoor unit. See
R32 leak detection sensor.
Possible cause:
Faulty R32 leak detection sensor.
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.
3.2.32 CH-05 – R32 leak detection sensor life time <6 months
EKVDX-A units
Trigger
Effect
Reset
The R32 sensor detected
operation of 9.5 years or
more.
Unit will continue
operating.
Auto reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
draft – 07/02/2022 15:12
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