Daikin VAM250FC, Operation Manual

Page: 9 / 12

250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P586308-1 — 2019.06
Operation manual
7
T
ROUBLE AND COUNTERMEASURE
If your unit does not operate properly, check the following items
If the following occurs, consult your dealer where the unit was purchased
List of malfunction codes of Remote controller of the HRV-system air conditioner
In case of the malfunction with the code in white letters on the black background in the unit still operates.
However, be sure to have it inspected and repaired and as soon as possible.
D
ISPOSAL REQUIREMENTS
Dismantling of the unit must be done in accordance with relevant
local and national regulations.
Conditions Causes Corrective actions
The unit does not operate at all. Check if there is a power failure. After power has been restored, start operation again.
Check if the fuse has blown or breaker has worked. Change the fuse or set the breaker.
Check if the indication of operation control method on
remote controller (BRC301B61) is shown. This is normal. Operate the unit using the air
conditioner remote control or centralized controller.
(Refer to
"Operation" on page 2 )
Check if the indication of operation stand by on
remote controller (BRC301B61) is shown. It indicates the precooling/preheating operation. This
unit is at stop and will start operation after the
precooling/preheating operation is over.
(Refer to
"Operation" on page 2 )
Amount of discharged air is small and the
discharging sound is high. Check if the air filter and heat exchange element are
clogged. Refer to "Maintenance" on page 5 .
Amount of discharged air is large and so is the
sound. Check if the air filter and heat exchange element are
installed. Refer to "Maintenance" on page 5 .
Operation lamp
Inspection
indicator Unit No. Malfunction code Description
On Off Blinking 64 Indoor air thermistor malfunction
On Off Blinking 65 Outdoor air thermistor malfunction
On Off Blinking 6A Damper-related malfunction
Blinking Blinking Blinking 6A Damper-related malfu thermistor
Blinking Blinking Blinking U5 Remote control error
On Off Off UC Repeated central address
Blinking Blinking Blinking UE Transmission error between the unit and centralized controller
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