Daikin VAM-J8 Series Manual page 103

VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664012-1 – 2021.08
(a)
Code Description
Unstable fan rpm: failure of filter contamination check or failure
of function 19(29)-0-04/-05
VAM air flow rate dropped below legal threshold limit (for R32
application)
VAM air flow rate approaches legal threshold limit (for R32
application)
VAM warning for air flow rate drop (for R32 application)
Power supply malfunction
Capacity setting malfunction
Fan communication error
Malfunction of fan motor sensor or fan control driver
CO sensor warning
2
Transmission error between unit and controller
Transmission error between master controller and slave
controller
Wrong controller installed
Repeated central address
Transmission error between unit and central controller
Miscommunication between VAM and EKVDX
External protection device activated
Indoor air thermistor (R1T) malfunction
Indoor air thermistor (R1T) out of operation range
Outdoor air thermistor (R2T) malfunction
Outdoor air thermistor (R2T) out of operation range
Functions 19(29)-0-04/-05 not possible due to low outdoor
temperature
Damper-related malfunction
(a)
In case of a code with a grey background, the VAM still operates. Inspect and repair the
unit as soon as possible.
When connected to an EKVDX and the R32 safety system is active, the VAM can stop
operating.
(b)
These error codes only apply when the R32 safety system is active. See Installation and
operation manual of the EKVDX for more information about recovery of these errors.
(c)
When combined with the EKVDX, no slave controllers are allowed.
(b)
(b)
(c)
21 Troubleshooting
|
(b)
Installer and user reference guide
103